String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ""); };


	// kiolvassa a kontrollból az értékét, függetlenül a kontroll típusától
	function GetValueFromControl(uID)
	{
		var strValue = '';
		if ((document.all.item(uID).type == "hidden") || (document.all.item(uID).type == "text"))
		{
			strValue = document.all.item(uID).value;
		}
		if (document.all.item(uID).type == "select-one")
		{
			var myListBox = document.all.item(uID);
			if (myListBox.selectedIndex>=0)
			{
				strValue = myListBox.options[myListBox.selectedIndex].value;
			}
		}
		return strValue;
	}

	function ValidateRegistration(emailControlId, errorLabelId)
	{
		if (document.all.item(errorLabelId))
			document.all.item(errorLabelId).style.display = 'none';

		return (Validate() && ValidateEmail(emailControlId, errorLabelId));
	}


	function Validate()
	{
		var haserror = false;
		
		document.all.item("errormessage").style.display = 'none';
		for (i = 0; i < document.all.length; i++)
		{
	   	   if (document.all(i).className == "required" || document.all(i).className == "error") 
	   	   {
				if (document.all(i).value != null &&
					document.all(i).value.trim().length == 0
					)
				{
  					document.all(i).className = "error";
					haserror = true;
				}
				else
				{
					document.all(i).className = "required";
				}
		   }
		}					

		if (haserror)
			document.all.item("errormessage").style.display = 'inline';

		return !haserror;
	}

	function ValidateEmail(emailControlId, errorLabelId)
	{
		document.all.item(errorLabelId).style.display = 'none';
		if (EmailCheck(document.all.item(emailControlId).value))
			return true;
		else
		{
			document.all.item(errorLabelId).style.display = 'inline';
			return false;
		}
	}


	function EmailCheck(emailStr)
	{
		/* The following variable tells the rest of the function whether or not
		to verify that the address ends in a two-letter country or well-known
		TLD.  1 means check it, 0 means don't. */

		var checkTLD = 1;

		/* The following is the list of known TLDs that an e-mail address must end with. */

		var knownDomsPat = /^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

		/* The following pattern is used to check if the entered e-mail address
		fits the user@domain format.  It also is used to separate the username
		from the domain. */

		var emailPat = /^(.+)@(.+)$/;

		/* The following string represents the pattern for matching all special
		characters.  We don't want to allow special characters in the address. 
		These characters include ( ) < > @ , ; : \ " . [ ] */

		var specialChars = "\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

		/* The following string represents the range of characters allowed in a 
		username or domainname.  It really states which chars aren't allowed.*/

		var validChars = "\[^\\s" + specialChars + "\]";

		/* The following pattern applies if the "user" is a quoted string (in
		which case, there are no rules about which characters are allowed
		and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
		is a legal e-mail address. */

		var quotedUser = "(\"[^\"]*\")";

		/* The following pattern applies for domains that are IP addresses,
		rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
		e-mail address. NOTE: The square brackets are required. */

		var ipDomainPat = /^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

		/* The following string represents an atom (basically a series of non-special characters.) */

		var atom = validChars + '+';

		/* The following string represents one word in the typical username.
		For example, in john.doe@somewhere.com, john and doe are words.
		Basically, a word is either an atom or quoted string. */

		var word = "(" + atom + "|" + quotedUser + ")";

		// The following pattern describes the structure of the user

		var userPat = new RegExp("^" + word + "(\\." + word + ")*$");

		/* The following pattern describes the structure of a normal symbolic
		domain, as opposed to ipDomainPat, shown above. */

		var domainPat = new RegExp("^" + atom + "(\\." + atom +")*$");

		/* Finally, let's start trying to figure out if the supplied address is valid. */

		/* Begin with the coarse pattern to simply break up user@domain into
		different pieces that are easy to analyze. */

		var matchArray = emailStr.match(emailPat);

		if (matchArray == null) 
		{
			/* Too many/few @'s or something; basically, this address doesn't
			even fit the general mould of a valid e-mail address. */
			// alert(1);
			return false;
		}
		
		var user = matchArray[1];
		var domain = matchArray[2];

		// Start by checking that only basic ASCII characters are in the strings (0-127).

		for (i=0; i<user.length; i++) 
		{
			if (user.charCodeAt(i)>127) 
			{
				// alert(2);
				return false;
			}
		}

		for (i=0; i<domain.length; i++) 
		{
			if (domain.charCodeAt(i)>127) 
			{
				// alert(3);
				return false;
			}
		}

		// See if "user" is valid 

		if (user.match(userPat) == null) 
		{
			// alert(4);
			return false;
		}

		/* if the e-mail address is at an IP address (as opposed to a symbolic
		host name) make sure the IP address is valid. */
		var IPArray=domain.match(ipDomainPat);
		if (IPArray!=null) 
		{
			// this is an IP address
			for (var i=1;i<=4;i++) 
			{
				if (IPArray[i]>255) 
				{
					// alert(5);
					return false;
				}
			}
			return true;
		}

		// Domain is symbolic name.  Check if it's valid.
		 
		var atomPat=new RegExp("^" + atom + "$");
		var domArr=domain.split(".");
		var len=domArr.length;
		for (i=0;i<len;i++) 
		{
			if (domArr[i].search(atomPat)==-1) 
			{
				// alert(6);
				return false;
			}
		}

		/* domain name seems valid, but now make sure that it ends in a
		known top-level domain (like com, edu, gov) or a two-letter word,
		representing country (uk, nl), and that there's a hostname preceding 
		the domain or country. */

		if (checkTLD && domArr[domArr.length-1].length!=2 && 
			domArr[domArr.length-1].search(knownDomsPat)==-1) 
		{
			// alert(7);
			return false;
		}

		// Make sure there's a host name preceding the domain.

		if (len<2) 
		{
			// alert(8);
			return false;
		}

		// If we've gotten this far, everything's valid!
		return true;
	}

	function NewWindow(theURL, winName, w, h, scroll, res)
	{
		LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
		TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
		settings =
		'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable='+ res +''
		win = window.open(theURL,winName,settings)
	}