function setMasterClass(){

if(document.getElementById('480')){
	var myRegExp = /masterclass/i;
	var string1 = window.location.search.substring(1);
	var matchPos1 = string1.search(myRegExp);
		if(matchPos1 != -1){
			//alert("There was a match at position " + matchPos1);
			document.form1.Custom_288[4].selected = "1"
		}
	}
}

function getIDfromUrl(lang,shortlang){
	var fullurl = this.location.href;
	var myRegExp = /language/i;
	var string1 = window.location.search.substring(1);
	var matchPos1 = string1.search(myRegExp);
	var QueryString = window.location.search;
		
		if(matchPos1 != -1){
			// Als variable 'language' bestaat in de querystring, moet die veranderd worden met waarde 'shortlang'
			// Variabele 'id' moet meegenomen worden!
			var newUrl = fullurl.substring(0, fullurl.indexOf("language") -1);
			if((newUrl.indexOf("?") == -1)){
				//querystring bevat geen parameters
				document.write('<a id="languageselect" href="' + newUrl + '&#63;language=' + shortlang + '">' + lang + '</a>');
			} else {
				//querystring bevat al parameters
				document.write('<a id="languageselect" href="' + newUrl + '&#38;language=' + shortlang + '">' + lang + '</a>');
			}
		}
		else
		{
			if (QueryString == "")
			{
				document.write('<a id="languageselect" href="' + fullurl + '&#63;language=' + shortlang + '">' + lang + '</a>');
			}
			else
			{
				// Als variable 'language' niet bestaat in de querystring, moet die toegevoegd worden met waarde 'shortlang'
				// Variabele 'id' moet meegenomen worden!
				document.write('<a id="languageselect" href="' + fullurl + '&#38;language=' + shortlang + '">' + lang + '</a>');
			}
	}

}