/* main functions */

var LemonMain={
	
	//declare variables
	blnRunGoogleAnalytics:false,
	
	
	//define functions
	
	initializePage:function()
	{
		this.runGoogleAnalytics();
	},
	
	runGoogleAnalytics:function()
	{
		//check indicator
		if(this.blnRunGoogleAnalytics)
		{
			var pageTracker = _gat._getTracker("UA-368884-5");
			pageTracker._initData();
			pageTracker._trackPageview();
		}
	},
	
	//create a standard sized popup window
	popupWindow:function(url, windowname)
	{
		/* 
		url: can be a url string, or an anchor object with an href attribute
		windowname: can be anything (containing only letters and underscore characters),
		description: every popup window should have a unique name; more than one link can target 
		the same popup by using the same unique popup name.
		*/
		
		var href;
		var popupWin;
		
		//check for existence of window.focus method
		if(!window.focus)
			//if it doesn't exist, exit script, and open link in current window
			return true;
		
		//get the url from the url object
		if(typeof(url)=='string')
			href=url;
		else
			href=url.href;
		
		//open the popup window
		popupWin=window.open(href, windowname, "width=450,height=550,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes");
		//set focus to popup window, in case it was in the background
		popupWin.focus();
		//cancel the click on the link, so link isn't opened in current window
		return false;
	},
	
	//return a style class as an object
	getStyleClass:function(strClassName)
	{
		//declare variables
		var returnValue=null;
		
		try
		{
			if(document.styleSheets)
			{
				for(var s=0;s<document.styleSheets.length;s++)
				{
					if(document.styleSheets[s].rules)
					{
						//IE
						for(var r=0;r<document.styleSheets[s].rules.length;r++)
						{
							if (document.styleSheets[s].rules[r].selectorText == '.' + strClassName)
							{
								returnValue=document.styleSheets[s].rules[r];
							}
						}
					}
					else if(document.styleSheets[s].cssRules)
					{
						//regular browsers
						for(var r=0;r<document.styleSheets[s].cssRules.length;r++)
						{
							if (document.styleSheets[s].cssRules[r].selectorText == '.' + strClassName)
								returnValue=document.styleSheets[s].cssRules[r];
						}
					}
				}
			}
		}
		catch(err)
		{
			//do nothing
		}
		
		return returnValue;
	},

	//prevents mailto: links from being harvested
	mailTo:function(strPrefix,strDomain)
	{
		//declare variables
		var strAtSign="&#64;";
		
		var strEmail=strPrefix+strAtSign+strDomain;
		document.write("<" + "a" + " " + "href=" + "\"mail" + "to:" + strEmail + "\">" + strEmail + "<\/a>");
	},

	//checks for a valid email address format
	isValidEmailAddress:function(email)
	{
		//declare variables
		var atPos=email.indexOf("@");
		var dotPos=email.lastIndexOf(".");
		var returnValue=true;
		
		if(email.length==0) //check if email is blank
		{
			returnValue=false;
		}
		else if(atPos<1) //check if there are any characters before the "@" sign
		{
			returnValue=false;
		}
		else if(email.length-dotPos<2) //check if there are any characters after the "."
		{
			returnValue=false;
		}
		else if(dotPos-atPos<2) //check if there are any characters between the "@" and the "." and make sure they're in the right order
		{
			returnValue=false;
		}
		
		return returnValue;
	},
	
	//checks for a valid postal/zip code format
	isValidPostalZipCode:function(postalCode,countryName)
	{
		var returnValue=true;
		
		//validate specific content
		if(postalCode.length>0)
		{
			//verify postal code
			if(countryName=="Canada")
			{
				//ensure it is long enough
				if(postalCode.length<6)
				{
					returnValue=false;
				}
				//check for valid format
				else
				{
					var j=0;
					
					// Check for legal characters in string - note index starts at zero
					if('ABCEGHJKLMNPRSTVXY'.indexOf(postalCode.charAt(j)) < 0)
					{
						returnValue=false;
					}
					j++;
					if('0123456789'.indexOf(postalCode.charAt(j)) < 0)
					{
						returnValue=false;
					}
					j++;
					if('ABCEGHJKLMNPRSTVWXYZ'.indexOf(postalCode.charAt(j)) < 0)
					{
						returnValue=false;
					}
					j++;
					
					if(postalCode.charAt(j)==' ')
					{
						j++;
					}
					
					if('0123456789'.indexOf(postalCode.charAt(j)) < 0)
					{
						returnValue=false;
					}
					j++;
					if('ABCEGHJKLMNPRSTVWXYZ'.indexOf(postalCode.charAt(j)) < 0)
					{
						returnValue=false;
					}
					j++;
					if('0123456789'.indexOf(postalCode.charAt(j)) < 0)
					{
						returnValue=false;
					}
				}
			}
			//verify zip code
			else if(countryName=="United States")
			{
				//ensure it is long enough
				if(postalCode.length<5)
				{
					returnValue=false;
				}
				//check for valid format
				else
				{
					//check to make sure each character is numeric (or a space or hyphen)
					for(var i=0;i<postalCode.length;i++)
					{
						if('0123456789 -'.indexOf(postalCode.charAt(i)) < 0)
						{
							returnValue=false;
						}
					}
				}
			}
		}
		else
		{
			returnValue=false;
		}
		
		return returnValue;
	},
	
	disableSubmit:function(frm,returnValue)
	{
		//disable submit button if returnValue is true
		//to prevent people from submitting twice if the server 
		//response is slow in bringing up the next page.
		if(returnValue==true)
		{
			//disable submit button
			frm.submit.disabled=true;
		}
	},
	
	//create XMLHttpRequest object
	createRequest:function()
	{
		//declare variables
		var returnValue=null;
		
		try
		{
			returnValue = new XMLHttpRequest();
		}
		catch(microsoftOption1)
		{
			try
			{
				returnValue = new ActiveXObject("Msxml2.XMLHTTP");
			}
			catch(microsoftOption2)
			{
				try
				{
					returnValue = new ActiveXObject("Microsoft.XMLHTTP");
				}
				catch(failed)
				{
					returnValue=null;
				}
			}
		}
		
		return returnValue;
	},
	
	deleteSubmission:function()
	{
		return confirm("Are you sure you want to delete this item?");
	}
}

//cookie handling functions
var LemonCookie={

	//set a cookie value
	set:function(strName, strValue, dtmExpires, strPath, strDomain, blnSecure)
	{
		document.cookie= strName + "=" + escape(strValue) +
			((dtmExpires) ? "; expires=" + dtmExpires.toGMTString() : "") +
			((strPath) ? "; path=" + strPath : "") +
			((strDomain) ? "; domain=" + strDomain : "") +
			((blnSecure) ? "; secure" : "");
	},
	
	//get a cookie value
	get:function(strName)
	{
		//declare variables
		var strSearch = strName + "=";
		var strCookie="";
		var intOffset=0;
		var intEnd=0;
		
		if (document.cookie.length > 0)
		{ // if there are any cookies
			intOffset = document.cookie.indexOf(strSearch);
			if (intOffset != -1) // if cookie name exists
			{
				intOffset += strSearch.length // set index of beginning of value
				intEnd = document.cookie.indexOf(";", intOffset); // set index of end of cookie value
				if (intEnd == -1)
				{
					intEnd = document.cookie.length;
				}
				strCookie=unescape(document.cookie.substring(intOffset, intEnd));
			} 
		}
		
		//for browsers that return "undefined" when a cookie is not found, return an empty string instead, for consistent return values across browsers
		if(strCookie=="undefined")
		{
			strCookie="";
		}
		return strCookie;
	},
	
	//delete a cookie
	del:function(strName)
	{
		this.set(strName,"",-1);
	}
}/* authentication functions */

// login class
var LJLogin={

	initializeForm:function(frm)
	{
		frm.email.focus();
		frm.email.select();
	},
	
	isValidForm:function(frm)
	{
		//declare variables
		var returnValue=true;
		
		if(frm.email.value.length==0)
		{
			alert("Please enter your email address");
			frm.email.focus();
			returnValue=false;
		}
		else if(frm.email.value.length!=0 && !LemonMain.isValidEmailAddress(frm.email.value))
		{
			alert("Please enter a valid email address");
			frm.email.focus();
			frm.email.select();
			returnValue=false;
		}
		else if(frm.password.value.length==0)
		{
			alert("Please enter your password");
			frm.password.focus();
			frm.password.select();
			returnValue=false;
		}
		
		//encode password
		if(returnValue)
		{
			//md5 encode the password
			frm.passwordHash.value=hex_md5(frm.email.value+frm.password.value);
			
			//clear the entered password field before submitting form data
			frm.password.value="";
		}
		
		LemonMain.disableSubmit(frm,returnValue);
		return returnValue;
	}
}

var LJAccount={

	initializeForm:function(frm)
	{
		//check if form exists (doesn't exist if this page is displayed while not logged in)
		if(frm)
		{
			//set focus
			frm.password.focus();
			frm.password.select();
			this.updatePasswordClick(frm);
		}
	},
	
	isValidForm:function(frm)
	{
		//declare variables
		var returnValue=true;
		
		if(frm.password.value.length==0)
		{
			alert("Please enter your password to update your account information");
			frm.password.focus();
			frm.password.select();
			returnValue=false;
		}
		else if(frm.firstName.value.length==0)
		{
			alert("Please enter your first name");
			frm.firstName.focus();
			returnValue=false;
		}
		else if(frm.lastName.value.length==0)
		{
			alert("Please enter your last name");
			frm.lastName.focus();
			returnValue=false;
		}
		else if(frm.updatePassword.checked)
		{
			if(frm.passwordNew.value.length==0)
			{
				alert("Please enter your new password");
				frm.passwordNew.focus();
				frm.passwordNew.select();
				returnValue=false;
			}
			else if(frm.repeatPasswordNew.value.length==0)
			{
				alert("Please re-enter your new password to make sure you have entered it correctly");
				frm.repeatPasswordNew.focus();
				frm.repeatPasswordNew.select();
				returnValue=false;
			}
			else if(frm.passwordNew.value!=frm.repeatPasswordNew.value)
			{
				alert("Your new passwords do not match\nPlease re-enter your passwords");
				//clear passwords
				frm.passwordNew.value="";
				frm.repeatPasswordNew.value="";
				
				frm.passwordNew.focus();
				frm.passwordNew.select();
				returnValue=false;
			}
		}
		if(returnValue & frm.deleteAccount.checked)
		{
			if(!confirm("Are you sure you want to permanently delete your account?"))
			{
				frm.deleteAccount.checked=false;
				frm.deleteAccount.focus();
				returnValue=false;
			}
		}
		
		if(returnValue)
		{
			//md5 encode the passwords, seeded with the email address
			frm.passwordHash.value=hex_md5(frm.email.value+frm.password.value);
			frm.passwordNewHash.value=hex_md5(frm.email.value+frm.passwordNew.value);
			
			//clear the entered password fields before submitting form data
			frm.password.value="";
			frm.passwordNew.value="";
			frm.repeatPasswordNew.value="";
		}
		
		LemonMain.disableSubmit(frm,returnValue);
		return returnValue;
	},
	
	updatePasswordClick:function(frm)
	{
		if(frm.updatePassword.checked)
		{
			frm.passwordNew.disabled=false;
			frm.repeatPasswordNew.disabled=false;
			frm.passwordNew.focus();
			frm.passwordNew.select();
		}
		else
		{
			frm.passwordNew.disabled=true;
			frm.repeatPasswordNew.disabled=true;
		}
	}
}

var LJNewAccount={

	initializeForm:function(frm)
	{
		//check if form exists (doesn't exist if this page is displayed while logged in)
		if(frm)
		{
			//set focus
			frm.firstName.focus();
			frm.firstName.select();
		}
	},
	
	isValidForm:function(frm)
	{
		//declare variables
		var returnValue=true;
		
		if(frm.firstName.value.length==0)
		{
			alert("Please enter your first name");
			frm.firstName.focus();
			returnValue=false;
		}
		else if(frm.lastName.value.length==0)
		{
			alert("Please enter your last name");
			frm.lastName.focus();
			returnValue=false;
		}
		else if(frm.email.value.length==0)
		{
			alert("Please enter your email address");
			frm.email.focus();
			returnValue=false;
		}
		else if(frm.email.value.length!=0 && !LemonMain.isValidEmailAddress(frm.email.value))
		{
			alert("Please enter a valid email address");
			frm.email.focus();
			frm.email.select();
			returnValue=false;
		}
		else if(frm.password.value.length==0)
		{
			alert("Please enter your password");
			frm.password.focus();
			frm.password.select();
			returnValue=false;
		}
		else if(frm.repeatPassword.value.length==0)
		{
			alert("Please re-enter your password to make sure you have entered it correctly");
			frm.repeatPassword.focus();
			frm.repeatPassword.select();
			returnValue=false;
		}
		else if(frm.password.value!=frm.repeatPassword.value)
		{
			alert("Your passwords do not match\nPlease re-enter your passwords");
			//clear passwords
			frm.password.value="";
			frm.repeatPassword.value="";
			
			frm.password.focus();
			frm.password.select();
			returnValue=false;
		}
		
		if(returnValue)
		{
			//md5 encode the password, seeded with the email address
			frm.passwordHash.value=hex_md5(frm.email.value+frm.password.value);
			
			//clear the entered password fields before submitting form data
			frm.password.value="";
			frm.repeatPassword.value="";
		}
		
		LemonMain.disableSubmit(frm,returnValue);
		return returnValue;
	}
}/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

/*
 * Perform a simple self-test to see if the VM is working
 */
function md5_vm_test()
{
  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}//home page functions

var LemonHome={
	
	initializeEditForm:function(frm)
	{
		//frm.title.focus();
		//frm.title.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	}
}//quote functions

var LemonQuotes={
	
	initializeEditForm:function(frm)
	{
		frm.date.focus();
		frm.date.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function(frm)
	{
		window.location.assign("/quotes/edit.php");
	},
	
	deleteQuote:function()
	{
		return confirm("Are you sure you want to delete this quote?");
	}
}//column functions

var LemonColumns={
	
	intRegularTypeId:0,
	intGuestTypeId:1,
	
	initializeEditForm:function(frm)
	{
		frm.title.focus();
		frm.title.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function(intTypeId)
	{
		switch(Number(intTypeId))
		{
			case(LemonColumns.intRegularTypeId):
				window.location.assign("/columns/column/edit.php");
				break;
			case(LemonColumns.intGuestTypeId):
				window.location.assign("/guestcolumns/column/edit.php");
				break;
		}
	},
	
	deleteColumn:function()
	{
		blnReturnValue=false;
		if(confirm("Are you sure you want to delete this column and all its entries?"))
		{
			blnReturnValue=confirm("Really sure? You can't undo this.");
		}
		return blnReturnValue;
	}
}

var LemonColumnEntries={
	
	initializeEditForm:function(frm)
	{
		frm.title.focus();
		frm.title.select();
	},
	
	removeFormattingClick:function()
	{
		var eleFormatting=document.getElementById("removeFormatting");
		
		if(eleFormatting.style.display=="none")
		{
			eleFormatting.style.display="block";
		}
		else
		{
			eleFormatting.style.display="none";
		}
		
		return false;
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function(intColumnId,intTypeId)
	{
		switch(Number(intTypeId))
		{
			case(LemonColumns.intRegularTypeId):
				window.location.assign("/columns/entry/edit.php?columnid="+intColumnId.toString());
				break;
			case(LemonColumns.intGuestTypeId):
				window.location.assign("/guestcolumns/entry/edit.php?columnid="+intColumnId.toString());
				break;
		}
	},
	
	deleteEntry:function()
	{
		return confirm("Are you sure you want to delete this entry?");
	}
}//photo attachment functions

var LemonPhotoAttachment={
	
	intFileCount:0,
	
	initializeEditForm:function(frm)
	{
		if(frm.credit)
		{
			frm.credit.focus();
			frm.credit.select();
		}
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	attachPhotoClick:function()
	{
		this.intFileCount++;
		
		input=document.createElement("input");
		input.setAttribute("type","file");
		input.setAttribute("name","image"+this.intFileCount.toString());
		input.className="formField30";
		
		p=document.createElement("p");
		p.appendChild(input);
		
		document.getElementById("photoAddContainer").appendChild(p);
		
		input.focus();
	},
	
	deletePhoto:function()
	{
		return confirm("Are you sure you want to delete this photo?");
	}
}//video attachment functions

var LemonVideoAttachment={
	
	intFileCount:0,
	
	initializeEditForm:function(frm)
	{
		if(frm.credit)
		{
			frm.credit.focus();
			frm.credit.select();
		}
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	attachVideoClick:function()
	{
		this.intFileCount++;
		
		input=document.createElement("input");
		input.setAttribute("type","file");
		input.setAttribute("name","video"+this.intFileCount.toString());
		input.className="formField30";
		
		p=document.createElement("p");
		p.appendChild(input);
		
		document.getElementById("videoAddContainer").appendChild(p);
		
		input.focus();
	},
	
	deleteVideo:function()
	{
		return confirm("Are you sure you want to delete this video?");
	}
}//contact functions

var LemonContact={
	
	initializeSubmitForm:function(frm)
	{
		//frm.name.focus();
		
		//hide attachment field
		document.getElementById("attachmentLabel").style.display="none";
		document.getElementById("attachmentInput").style.display="none";
	},
	
	isValidSubmitForm:function(frm)
	{
		//declare variables
		var returnValue=true;
		
		if(frm.name.value.length==0)
		{
			alert("Please enter your name");
			frm.name.focus();
			returnValue=false;
		}
		else if(frm.email.value.length==0)
		{
			alert("Please enter your email address");
			frm.email.focus();
			returnValue=false;
		}
		else if(!LemonMain.isValidEmailAddress(frm.email.value))
		{
			alert("Please enter a valid email address");
			frm.email.focus();
			frm.email.select();
			returnValue=false;
		}
		else if(frm.message.value.length==0 && frm.attachment && frm.attachment.value.length==0)
		{
			alert("Please enter a message or an attachment");
			frm.message.focus();
			returnValue=false;
		}
		else if(frm.verification.value.length==0)
		{
			alert("Please enter the verification code");
			frm.verification.focus();
			returnValue=false;
		}
	
		LemonMain.disableSubmit(frm,returnValue);
		return returnValue;
	},
	
		
	addAttachment:function()
	{
		//declare variables
		var returnValue=false;

		//show attachment field
		document.getElementById("attachmentLabel").style.display="block";
		document.getElementById("attachmentInput").style.display="block";
		//hide attachment link
		document.getElementById("attachmentLink").style.display="none";
		
		return returnValue;
	},
	
	removeAttachment:function()
	{
		//declare variables
		var returnValue=false;
		
		//clear attachment field
		document.getElementById("attachment").value=""; //property is read only in some browsers, so this function should not be used (it is misleading)

		//hide attachment field
		document.getElementById("attachmentLabel").style.display="none";
		document.getElementById("attachmentInput").style.display="none";
		//show attachment link
		document.getElementById("attachmentLink").style.display="block";
		
		return returnValue;
	},


	initializeEditForm:function(frm)
	{
		frm.name.focus();
		frm.name.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	deleteSubmission:function()
	{
		return confirm("Are you sure you want to delete this submission?");
	}
}//column functions

var LemonRecipeMain={
	
	initializeEditForm:function(frm)
	{
		frm.title.focus();
		frm.title.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	}
}

var LemonRecipes={
	
	initializeEditForm:function(frm)
	{
		frm.title.focus();
		frm.title.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function(intRecipeMainId)
	{
		window.location.assign("/recipes/recipe/edit.php?recipemainid="+intRecipeMainId.toString());
	},
	
	deleteRecipe:function()
	{
		return confirm("Are you sure you want to delete this recipe?");
	}
}//functions for photo galleries within a page

var LemonGallery={
	
	initializeEditForm:function(frm)
	{
		frm.title.focus();
		frm.title.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function()
	{
		window.location.assign("/photos/gallery/edit.php");
	},
	
	deleteGallery:function()
	{
		return confirm("Are you sure you want to delete this gallery and all its photos?");
	}
}

var LemonPhoto={
	
	addCount:0,
	
	initializeEditForm:function(frm)
	{
		frm.credit.focus();
		frm.credit.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function(intGalleryId)
	{
		this.addCount++;
		//window.location.assign("/photos/gallery/edit.php?galleryid="+intGalleryId.toString());
		input=document.createElement("input");
		input.setAttribute("type","file");
		input.setAttribute("name","file"+this.addCount.toString());
		input.setAttribute("id","file"+this.addCount.toString());
		input.className="formField30";
		
		p=document.createElement("p");
		p.appendChild(input);
		
		document.getElementById("photoAddContainer").appendChild(p);
		
		input.focus();
	},
	
	remove:function(intId)
	{
		alert("test");
		return false;
	},
	
	deletePhoto:function()
	{
		return confirm("Are you sure you want to delete this photo?");
	},
	
	createThumb:function()
	{
		return true;
	}
}

//declare photo variables
var arrPhotoSrc;
var arrPhotoThumbnailSrc;
var arrPhotoCaption;
var arrPhotoCredit;
var arrAudioSrc;

var strPhotoIdText;
var strCaptionPrefix;
var blnAudio;
var blnAudioMute=false;
var objAudioTimeUpdateInterval=null; //object containing interval during audio playback

var intCurrentPhotoNum=1; //current photo being displayed
var intPhotoFadeTime=750; //fade time in milliseconds
var intPhotoFadeIncrement=5; //fade increment as percentage

var intPhotoPlaySpeed=5000; //time to display each photo when playing all photos, the value here value is not used, as play speed is set from drop down box
var objPhotoPlayInterval=null; //object containing interval during playback

var objPhotoImageFore=null; //object holding foreground image
var objPhotoImageBack=null; //object holding background image
var objPhotoImageTransition=null;
var strMediaPlayerObject=null;


function initializePhotos()
{
	//set image objects
	objPhotoImageFore=document.getElementById("photo1");
	objPhotoImageBack=document.getElementById("photo2");
	objPhotoHeightHolder=document.getElementById("photoHeightHolder");
	
	//set media player object
	strMediaPlayerObject="document.QTPlayer"; //for some reason, document.QTPlayer cannot be assigned to an object, so I've used this method instead
	
	//preload second image
	photoPreload(intCurrentPhotoNum);
	
	//set play speed
	photoSetPlaySpeed(document.getElementById("photoPlaySpeed").value);
	
	//stop autoplay (when window is loaded and object is available)
	if(blnAudio)
	{
		window.onload=function()
		{
			audioStop();
			eval(strMediaPlayerObject).SetTime(0);
		}
	}
}

//jump to a specific photo
function photoGoto(intPhotoNum)
{
	//make sure photo exists for intPhotoNum
	if(intPhotoNum<1 || intPhotoNum>arrPhotoSrc.length)
	{
		//do nothing
		//alert("Photo "+intPhotoNum+" does not exist");
	}
	else
	{
		//define new image
		var img=document.createElement("img");
		var strAltText="";
		var blnTransitionComplete=true;
		
		//define actions to perform when image is loaded
		img.onload=function(evt)
		{
			//change caption
			photoSetCaption(intPhotoNum);
			
			//change credit
			photoSetCredit(intPhotoNum);
			
			//change display number
			photoSetNumber(intPhotoNum);
			
			//change next link
			photoSetNextLink(intPhotoNum);
			
			//change previous link
			photoSetPreviousLink(intPhotoNum);
			
			//change link to this photo link
			photoSetLinkToThisPhoto(intPhotoNum);
			
			//check if previous transition is complete
			blnTransitionComplete=(objPhotoImageBack.style.display=="none");
			
			if(blnTransitionComplete)
			{
				//switch image objects
				objPhotoImageTransition=objPhotoImageBack;
				objPhotoImageBack=objPhotoImageFore;
				objPhotoImageFore=objPhotoImageTransition;
			}
			else
			{
				//hide fore image
				LemonAnimation.setOpacity(objPhotoImageFore,0);
			}
			
			//transfer new image properties to fore image
			objPhotoImageFore.src=this.src;
			objPhotoImageFore.width=this.width;
			objPhotoImageFore.height=this.height;
			
			//change image classes
			objPhotoImageFore.style.display="block"; //prevents twitching (height change)
			objPhotoImageFore.className="photoFore";
			objPhotoImageBack.className="photoBack";
			
			//remove size attributes in Safari, which sets them to 0
			if(LemonAnimation.isSafari())
			{
				objPhotoImageFore.removeAttribute("width");
				objPhotoImageFore.removeAttribute("height");
			}
			
			//chanage alt text (from caption)
			strAltText=arrPhotoCaption[intPhotoNum-1];
			if(strAltText.length>30)
			{
				strAltText=strAltText.substring(0,27)+"...";
			}
			objPhotoImageFore.alt=strAltText;
			//change title text
			objPhotoImageFore.title="";
			
			if(blnTransitionComplete)
			{
				//fade out back image
				LemonAnimation.fadeOut(objPhotoImageBack,intPhotoFadeTime,intPhotoFadeIncrement);
			}
			
			//fade in fore image
			LemonAnimation.fadeIn(objPhotoImageFore,intPhotoFadeTime,intPhotoFadeIncrement);
			
			//change current photo number
			intCurrentPhotoNum=intPhotoNum;
			
			//preload next image
			photoPreload(intPhotoNum);
		}
		
		//load new image
		img.src=arrPhotoSrc[intPhotoNum-1];
		
		//change audio file
		audioGoto(intPhotoNum);
	}
}

//go to a specific photo number, and stop playback
function photoGotoClick(intPhotoNum)
{
	//stop play, if necessary
	photoStopClick();
	
	photoGoto(intPhotoNum);
	
	return false; //cancel href link
}

//go to the next photo, and stop playback
function photoNextClick(objLink)
{
	//stop play, if necessary
	photoStopClick();
	
	photoGoto(intCurrentPhotoNum+1);
	
	//remove focus from link
	if(objLink)
	{
		objLink.blur();
	}
	
	return false; //cancel href link
}

//go to the previous photo, and stop playback
function photoPreviousClick(objLink)
{
	//stop play, if necessary
	photoStopClick();
	
	photoGoto(intCurrentPhotoNum-1);
	
	//remove focus from link
	if(objLink)
	{
		objLink.blur();
	}
	
	return false; //cancel href link
}

//move to next photo, and start playback
function photoPlayClick(objLink)
{
	//start playback
	photoPlay();
	
	if(!blnAudio)
	{
		//move to next photo
		photoPlayNext();
	}
	
	//remove focus from link
	if(objLink)
	{
		objLink.blur();
	}
	
	return false; //cancel href link
}

//start playback
function photoPlay()
{
	//switch available buttons
	document.getElementById("photoPlay").style.display="none";
	document.getElementById("photoStop").style.display="block";
	
	//play audio if available
	audioPlay();
	
	if(!blnAudio)
	{
		//set interval for next photo
		objPhotoPlayInterval=setInterval(photoPlayNext,intPhotoPlaySpeed);
	}
	
	return false; //cancel href link
}

//go to the next photo during playback
function photoPlayNext()
{
	//if this function is called while on the last photo, and there is no audio available, restart from the beginning
	if(intCurrentPhotoNum>=arrPhotoSrc.length && !blnAudio)
	{
		//display first photo
		photoGoto(1);
	}
	else
	{
		//stop playback on transition to last photo, if no audio is available
		if(intCurrentPhotoNum==arrPhotoSrc.length-1 && !blnAudio)
		{
			//stop play
			photoStopClick();
		}
		
		//check for more photos in the gallery
		if(intCurrentPhotoNum<arrPhotoSrc.length)
		{
			//continue play
			photoGoto(intCurrentPhotoNum+1);
			if(blnAudio)
			{
				//play audio if available
				audioPlay();
			}
		}
		else
		{
			//stop play (this will already occur above, if there is no audio available)
			photoStopClick();
		}
	}
}

//stop playback
function photoStopClick(objLink)
{
	//clear interval
	clearInterval(objPhotoPlayInterval);
	objPhotoPlayInterval=null;
	
	//switch available buttons
	document.getElementById("photoPlay").style.display="block";
	document.getElementById("photoStop").style.display="none";
	
	//stop audio play if necessary
	audioStop();
	
	//remove focus from link
	if(objLink)
	{
		objLink.blur();
	}

	return false; //cancel href link
}

//set the playback speed
function photoSetPlaySpeed(intMilliseconds)
{
	//declare variables
	var blnPlay=false;
	
	//check if photos are playing
	if(objPhotoPlayInterval)
	{
		//set indicator
		blnPlay=true;
	}
	
		//clear interval
		clearInterval(objPhotoPlayInterval);
		objPhotoPlayInterval=null;
		
		//set new play speed
		intPhotoPlaySpeed=intMilliseconds;
	
	//restart play if necessary
	if(blnPlay)
	{
		photoPlay();
	}
}

//set the photo caption
function photoSetCaption(intPhotoNum)
{
	if(arrPhotoCaption[intPhotoNum-1]=="undefined")
	{
		//change caption
		document.getElementById("photoCaption").innerHTML=" ";
	}
	else
	{
		//change caption
		document.getElementById("photoCaption").innerHTML=arrPhotoCaption[intPhotoNum-1]+" ";
	}
}

//set the displayed photo credit information
function photoSetCredit(intPhotoNum)
{
	if(arrPhotoCredit[intPhotoNum-1]=="undefined" || arrPhotoCredit[intPhotoNum-1]=="")
	{
		//change credit
		document.getElementById("photoCredit").innerHTML="&nbsp;";
	}
	else
	{
		//change credit
		document.getElementById("photoCredit").innerHTML=strCaptionPrefix+arrPhotoCredit[intPhotoNum-1];
	}
}

//set the displayed photo number
function photoSetNumber(intPhotoNum)
{
	//change photo number
	document.getElementById("photoDisplayNumber").innerHTML=intPhotoNum+"/"+arrPhotoSrc.length;
}

function photoSetNextLink(intPhotoNum)
{
	//change next link
	document.getElementById("photoNext").href="?"+strGalleryIdText+"="+intGalleryId+"&"+strPhotoIdText+"="+(intPhotoNum>=arrPhotoSrc.length ? arrPhotoSrc.length : (intPhotoNum+1));
}

function photoSetPreviousLink(intPhotoNum)
{
	//change previous link
	document.getElementById("photoPrevious").href="?"+strGalleryIdText+"="+intGalleryId+"&"+strPhotoIdText+"="+(intPhotoNum<=1 ? 1 : (intPhotoNum-1));
}

function photoSetLinkToThisPhoto(intPhotoNum)
{
	//change previous link
	document.getElementById("photoLinkToThisPhoto").href="?"+strGalleryIdText+"="+intGalleryId+"&"+strPhotoIdText+"="+intPhotoNum;
}


//preloads the photo following the passed intPhotoNum
function photoPreload(intPhotoNum)
{
	if(intPhotoNum<arrPhotoSrc.length)
	{
		var imgNext=document.createElement("img");
		imgNext.src=arrPhotoSrc[intPhotoNum];
	}
}

//scroll functions

//declare scroll variables
var objScrollTimer=null;
var objScroll=null;
var intScrollIncrement=20;
var intScrollDelay=50;
var intInitialScrollDelay=300;

function scrollLeftClick(obj)
{
	objScrollBy(obj,-intScrollIncrement,0);
	objScroll=obj;
	objScrollTimer=setTimeout("scrollLeft(objScroll)",intInitialScrollDelay);
}
function scrollRightClick(obj)
{
	objScrollBy(obj,intScrollIncrement,0);
	objScroll=obj;
	objScrollTimer=setTimeout("scrollRight(objScroll)",intInitialScrollDelay);
}
function scrollUpClick(obj)
{
	objScrollBy(obj,0,-intScrollIncrement);
	objScroll=obj;
	objScrollTimer=setTimeout("scrollLeft(objScroll)",intInitialScrollDelay);
}
function scrollDownClick(obj)
{
	objScrollBy(obj,0,intScrollIncrement);
	objScroll=obj;
	objScrollTimer=setTimeout("scrollRight(objScroll)",intInitialScrollDelay);
}


function scrollLeft(obj)
{
	objScrollBy(obj,-intScrollIncrement,0);
	objScrollTimer=setTimeout("scrollLeft(objScroll)",intScrollDelay);
}
function scrollRight(obj)
{
	objScrollBy(obj,intScrollIncrement,0);
	objScrollTimer=setTimeout("scrollRight(objScroll)",intScrollDelay);
}
function scrollUp(obj)
{
	objScrollBy(obj,0,-intScrollIncrement);
	objScrollTimer=setTimeout("scrollLeft(objScroll)",intScrollDelay);
}
function scrollDown(obj)
{
	objScrollBy(obj,0,intScrollIncrement);
	objScrollTimer=setTimeout("scrollRight(objScroll)",intScrollDelay);
}

//allows the contents of obj to appear to be scrolling, by changing the padding.
function objScrollBy(obj,intX,intY)
{
	var intInitialX=0;
	var intInitialY=0;
	
	//scroll on the x axis
	if(intX)
	{
		intInitialX=stripPx(obj.style.marginLeft);
		intInitialX-=intX;
		//don't allow scrolling past the beginning
		if(intInitialX > 0)
		{
			intInitialX=0;
		}
		obj.style.marginLeft=intInitialX.toString()+"px";
	}

	//scroll on the y axis
	if(intY)
	{
		intInitialY=stripPx(obj.style.marginTop);
		intInitialY-=intY;
		//don't allow scrolling past the top
		if(intInitialY > 0)
		{
			intInitialY=0;
		}
		obj.style.marginTop=intInitialY.toString()+"px";
	}
}

function stopScroll()
{
	clearTimeout(objScrollTimer);
	objScroll=null;
}

//return the integer part of a passed style value
function stripPx(str)
{
	var intValue=parseInt(str.replace("px",""),10);
	
	if(isNaN(intValue))
	{
		return 0;
	}
	else
	{
		return intValue;
	}
}

//audio functions

function audioPlay()
{
	if(blnAudio)
	{
		eval(strMediaPlayerObject).Play();
		
		//update audio time display every second
		setAudioTimeDisplay();
		objAudioTimeUpdateInterval=setInterval("setAudioTimeDisplay();",1000);
	}
	
	return false; //cancel href link
}

function audioStop()
{
	if(blnAudio)
	{
		eval(strMediaPlayerObject).Stop();
		
		//stop updating audio time display
		clearInterval(objAudioTimeUpdateInterval);
	}
	
	return false; //cancel href link
}

function audioMute(bln)
{
	if(blnAudio)
	{
		eval(strMediaPlayerObject).SetMute(bln);
	}
	
	return false; //cancel href link
}

//jump to a specific audio file
function audioGoto(intAudioNum)
{
	if(blnAudio)
	{
		//make sure file exists for intAudioNum
		if(intAudioNum>0 && intAudioNum<=arrAudioSrc.length)
		{
			//check if file exists
			if(arrAudioSrc[intAudioNum-1].length>0)
			{
				//change URL
				eval(strMediaPlayerObject).SetURL(arrAudioSrc[intAudioNum-1]);
				
				//update audio time display
				setAudioTimeDisplay();
			}
			//stop any automatic play
			eval(strMediaPlayerObject).Stop();
		}
	}
}

function audioSetVolume(intAudioVolume)
{
	if(blnAudio)
	{
		eval(strMediaPlayerObject).SetVolume(intAudioVolume);
	}
}

//declare audio scroll variables
var objAudioStepTimer=null;
var intAudioStepIncrement=2; //seconds
var intAudioStepDelay=50;
var intInitialAudioStepDelay=300;

function audioForwardClick()
{
	audioStep(intAudioStepIncrement);
	objAudioStepTimer=setTimeout("audioForward()",intInitialAudioStepDelay);
	
	setAudioTimeDisplay();
}

function audioReverseClick()
{
	audioStep(-intAudioStepIncrement);
	objAudioStepTimer=setTimeout("audioReverse()",intInitialAudioStepDelay);
	
	setAudioTimeDisplay();
}

function audioForward()
{
	audioStep(intAudioStepIncrement);
	objAudioStepTimer=setTimeout("audioForward()",intAudioStepDelay);
	
	setAudioTimeDisplay();
}

function audioReverse()
{
	audioStep(-intAudioStepIncrement);
	objAudioStepTimer=setTimeout("audioReverse()",intAudioStepDelay);
	
	setAudioTimeDisplay();
}

function audioStep(intSeconds)
{
	//declare variables
	blnPlaying=false;
	intStepUnits=0;
	
	//calculate step units
	intStepUnits=intSeconds * eval(strMediaPlayerObject).GetTimeScale()/150;
	
	if(eval(strMediaPlayerObject).GetRate()==1)
	{
		blnPlaying=true;
	}
	
		//check if nearing end of audio clip (do not allow to fast forward to end, or it will trigger the next audio file)
		//(if stepping backward, or the current position is less than one step from the end, then perform step)
		if(intSeconds < 0 || (eval(strMediaPlayerObject).GetTime() < (eval(strMediaPlayerObject).GetDuration()-intStepUnits * 150)))
		{
			eval(strMediaPlayerObject).Step(intStepUnits);
		}
		else
		{
			//stop stepping
			stopAudioStep();
		}
	
	if(blnPlaying)
	{
		//resume play
		eval(strMediaPlayerObject).Play();
	}
}

function stopAudioStep()
{
	clearTimeout(objAudioStepTimer);
}

//audio time display functions

function setAudioTimeDisplay()
{
	if(blnAudio)
	{
		//declare variables
		dblAudioTime=0;
		dblAudioDuration=0;
		
		dblAudioTime=eval(strMediaPlayerObject).GetTime()/eval(strMediaPlayerObject).GetTimeScale();
		dblAudioDuration=eval(strMediaPlayerObject).GetDuration()/eval(strMediaPlayerObject).GetTimeScale();
		
		document.getElementById("audioTimeDisplay").innerHTML=formatTime(dblAudioTime)+" / "+formatTime(dblAudioDuration);
	}
}

function formatTime(dblSeconds,intFormatType)
{
	/* intFormatType options:
		1 = round to nearest hour
		2 = round to nearest minute
		3 = round to nearest second (default)
		4 = round to nearest hundredth of a second
		5 = round to nearest thousandth of a second
	*/
	
	//declare variables
	var intHours=0;
	var intMinutes=0;
	var intSeconds=0;
	var strTime="";
	var blnNegative=false;
	
	//set default format type if none has been passed
	if(!intFormatType)
	{
		var intFormatType=3;
	}
	
	//check for negative value
	if(dblSeconds<0)
	{
		blnNegative=true;
		dblSeconds=dblSeconds*-1;
	}
	
	//calculate total minutes
	if(intFormatType>=3)
	{
		intMinutes=Math.floor(dblSeconds/60);
	}
	else
	{
		intMinutes=Math.round(dblSeconds/60);
	}
	
	//calculate total hours
	if(intFormatType>=2)
	{
		intHours=Math.floor(intMinutes/60);
	}
	else
	{
		intHours=Math.round(intMinutes/60);
	}
	
	dblSeconds=((dblSeconds/60)-intMinutes)*60; //calculate remainder seconds
	intMinutes=Math.round(((intMinutes/60)-intHours)*60); //calculate remainder minutes
	
	//add negative sign
	strTime=(blnNegative ? "-" : "")
	
	//add hours
	strTime+=leadingZeros(intHours.toString(),1);
	
	//add minutes
	if(intFormatType>=2)
	{
		strTime+=":"+leadingZeros(intMinutes.toString(),2);
	}
	
	//add seconds
	if(intFormatType>=3)
	{
		//round seconds
		switch(intFormatType)
		{
			case(3):
				dblSeconds=Math.round(dblSeconds);
				break;
			case(4):
				dblSeconds=(Math.round(dblSeconds*100)/100).toFixed(2);
				break;
			case(5):
				dblSeconds=(Math.round(dblSeconds*1000)/1000).toFixed(3);
				break;
		}
		//add seconds
		strTime+=":"+leadingZeros(dblSeconds.toString(),2);
	}
	
	return strTime;
}

function leadingZeros(strValue,intCharacters)
{
	//declare variables
	intLength=0;
	
	//find decimal point
	intLength=(strValue.indexOf(".")<0 ? strValue.length : strValue.indexOf("."));
	
	//check if number needs padding
	if(intLength<intCharacters)
	{
		//add leading zeros
		for(var i=0;i<intCharacters-intLength;i++)
		{
			strValue="0"+strValue.toString();
		}
	}
	
	return strValue;
}//column functions

var LemonPage={
	
	initializeEditForm:function(frm)
	{
		frm.title.focus();
		frm.title.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function()
	{
		window.location.assign("/pages/page/edit.php");
	},
	
	deletePage:function()
	{
		blnReturnValue=false;
		if(confirm("Are you sure you want to delete this page?"))
		{
			blnReturnValue=confirm("Really sure? You can't undo this.");
		}
		return blnReturnValue;
	}
}//cartoon functions

var LemonCartoons={
	
	initializeEditForm:function(frm)
	{
		this.countClick();
		
		frm.title.focus();
		frm.title.select();
	},
	
	isValidEditForm:function(frm)
	{
		var blnReturnValue=true;
		
		LemonMain.disableSubmit(frm,blnReturnValue);
		return blnReturnValue;
	},
	
	add:function(frm)
	{
		window.location.assign("/cartoons/edit.php");
	},
	
	deleteCartoon:function()
	{
		return confirm("Are you sure you want to delete this cartoon?");
	},
	
	countClick:function()
	{
		var intWidth=0;
		var intFrames=2;
		
		for(var i=0;i<document.getElementById("cartoonEdit").count.length;i++)
		{
			if(document.getElementById("cartoonEdit").count[i].checked)
			{
				intFrames=Number(document.getElementById("cartoonEdit").count[i].value);
				break;
			}
		}
		
		switch(intFrames)
		{
			case(2):
				document.getElementById("frame3").style.display="none";
				document.getElementById("frame2").style.display="none";
				intWidth=319; //max 324
				break;
			case(3):
				document.getElementById("frame3").style.display="none";
				document.getElementById("frame2").style.display="table-row";
				intWidth=211; //max 216
				break;
			case(4):
				document.getElementById("frame3").style.display="table-row";
				document.getElementById("frame2").style.display="table-row";
				intWidth=157; //max 162
				break;
		}
		
		for(var i=0;i<4;i++)
		{
			document.getElementById("frame"+i.toString()+"width").innerHTML=intWidth.toString();
		}
	}
}/* global functions */

var LemonAnimation={
	
	//declare variables
	arrFadeElements:new Array(), //array of elements undergoing fade animation
	arrFadeIntervals:new Array(), //array of timer intervals fading the elements above
	intFadeTime:1000, //default fade time in milliseconds
	intFadePercent:3, //default percent to change at each step
	
	//fade an element in
	fadeIn:function(ele,intTime,intPercent)
	{
		//set default values
		if(!intTime)
		{
			intTime=this.intFadeTime;
		}
		if(!intPercent)
		{
			intPercent=this.intFadePercent;
		}
		
		//return interval object so fade can be cancelled manually
		return this.fade(ele,intTime,intPercent);
	},
	
	//fade an element out
	fadeOut:function(ele,intTime,intPercent)
	{
		//set default values
		if(!intTime)
		{
			intTime=this.intFadeTime;
		}
		if(!intPercent)
		{
			intPercent=this.intFadePercent;
		}
		
		intPercent=intPercent*-1;
		
		//return interval object so fade can be cancelled manually
		return this.fade(ele,intTime,intPercent);
	},
	
	//fade an element in or out (pass negative percent to fade out)
	fade:function(ele,intTime,intPercent)
	{
		//declare variables
		var intIndex=null;
		var objInterval=null;
		
		//check if element has undergone any fade
		for(var i=0;i<this.arrFadeElements.length;i++)
		{
			if(this.arrFadeElements[i]==ele)
			{
				//cancel current fade
				clearInterval(this.arrFadeIntervals[i]);
				//store current index
				intIndex=i;
				
				break;
			}
		}
		//check if index has been set (above)
		if(intIndex==null)
		{
			//set new fade index
			intIndex=this.arrFadeElements.length;
			//store element for new fade
			this.arrFadeElements[intIndex]=ele;
		}
		
		//set interval
		this.arrFadeIntervals[intIndex]=setInterval("LemonAnimation.fadeStep("+intIndex+","+intPercent+");",intTime/(100/Math.abs(intPercent)));
	
		//return interval object so fade can be cancelled manually
		return this.arrFadeIntervals[intIndex];
	},
	
	//perform one step in the fade animation
	fadeStep:function(intIndex,intPercent)
	{
		//calculate intended opacity
		var intOpacity=this.getOpacity(this.arrFadeElements[intIndex])+intPercent;
		//set opacity
		this.setOpacity(this.arrFadeElements[intIndex],intOpacity);
		
		//check for end of animation
		if(intOpacity<=0 || intOpacity>=100)
		{
			clearInterval(this.arrFadeIntervals[intIndex]);
		}
	},
	

	//set the opacity of an element
	setOpacity:function(ele, intOpacity)
	{
		//limit passed opacity value to between 0 and 100
		if(intOpacity<0)
		{
			intOpacity=0;
		}
		else if(intOpacity>100)
		{
			intOpacity=100;
		}
		
		//set display
		if(intOpacity>0)
		{
			ele.style.display="block";
		}
		else
		{
			ele.style.display="none";
		}
		
		//set opacity
		//ele.style.filter="alpha(opacity="+intOpacity+")"; //IE deprecated
		ele.style.filter="progid:DXImageTransform.Microsoft.Alpha(opacity="+intOpacity+")"; //IE
		ele.style.MozOpacity=intOpacity/100; //Mozilla/Netscape
		ele.style.opacity=intOpacity/100; //Opera + W3C standard
		
		/* no longer necessary, safari bug has been fixed
		if(intOpacity==100)
		{
			if(this.isSafari())
			{
				ele.style.opacity=.9999; //objects in Safari disappear at 100 opacity (for some unknown reason)
			}
		}
		*/
	},
	
	//return the current opacity of an element
	getOpacity:function(ele)
	{
		//set default return opacity
		var intOpacity=100;
		
		//check if opacity attribute exists
		if(ele.style.opacity)
		{
			//get current opacity
			intOpacity=ele.style.opacity*100;
		}
		
		return intOpacity;
	},

	//load an image into the browser's cache for faster access later
	imagePreload:function(strSrc)
	{
		var img=document.createElement("img");
		img.src=strSrc;
	},

	//detect if browser is Safari
	blnIsSafari:null,
	
	isSafari:function()
	{
		//declare variables
		var returnValue=false;
		
		//check if browser has been determined already
		if(this.blnIsSafari!=undefined)
		{
			returnValue=this.blnIsSafari;
		}
		else
		{
			if(navigator.vendor)
			{
				if(navigator.vendor.indexOf("Apple") != -1)
				{
					returnValue=true;
				}
			}
		}
		
		return returnValue;
	}

}