function showfield(id, field, waarde)
{
	if (document.formulier.elements[field].options[document.formulier.elements[field].selectedIndex].text != waarde)
		{document.getElementById(id).style.display = 'block';}
	else
		{document.getElementById(id).style.display = 'none';}
}

function showfields(field)
{
	var theindex = document.formulier.elements[field].selectedIndex;
	var thevalue = document.formulier.elements[field].options[theindex].text
	if (thevalue < 2)	{document.getElementById("toverdiv2").style.display = 'none'; }
	else 			{document.getElementById("toverdiv2").style.display = 'inline';}
	if (thevalue < 3)	{document.getElementById("toverdiv3").style.display = 'none'; }
	else 			{document.getElementById("toverdiv3").style.display = 'inline';}
	if (thevalue < 4)	{document.getElementById("toverdiv4").style.display = 'none'; }
	else 			{document.getElementById("toverdiv4").style.display = 'inline';}
	if (thevalue < 5)	{document.getElementById("toverdiv5").style.display = 'none'; }
	else 			{document.getElementById("toverdiv5").style.display = 'inline';}
	if (thevalue < 6)	{document.getElementById("toverdiv6").style.display = 'none'; }
	else 			{document.getElementById("toverdiv6").style.display = 'inline';}
	if (thevalue < 7)	{document.getElementById("toverdiv7").style.display = 'none'; }
	else 			{document.getElementById("toverdiv7").style.display = 'inline';}
	if (thevalue < 8)	{document.getElementById("toverdiv8").style.display = 'none'; }
	else 			{document.getElementById("toverdiv8").style.display = 'inline';}
	if (thevalue < 9)	{document.getElementById("toverdiv9").style.display = 'none'; }
	else 			{document.getElementById("toverdiv9").style.display = 'inline';}

}


function setcookie(c_name, value)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+5000);
	document.cookie=c_name+ "=" + escape(value) + ";expires=" + exdate.toUTCString();
}


function addbookmark(bookmarkurl, bookmarktitle)
{
	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(bookmarktitle, bookmarkurl,"");
	} else if( window.external ) { // IE Favorite
		window.external.AddFavorite( bookmarkurl, bookmarktitle); 
	} else if(window.opera && window.print) { // Opera Hotlist
		   var mbm = document.createElement('a');
		mbm.setAttribute('rel','sidebar');
		mbm.setAttribute('href',bookmarkurl);
		mbm.setAttribute('title',bookmarktitle);
		mbm.click(); 
	}
}


sfHover = function() 
{	
	var sfEls1 = document.getElementById("menu1").getElementsByTagName("LI"); /* Top level menu */
	for (var i=0; i<sfEls1.length; i++) {
		sfEls1[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls1[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp("sfhover\\b"), "");
		}
	}

	var brol = document.getElementById("main2kaart");
	if (brol) {
		var sfEls1 = document.getElementById("main2kaart").getElementsByTagName("LI"); /* Menu in kaart */
		for (var i=0; i<sfEls1.length; i++) {
			sfEls1[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls1[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp("sfhover\\b"), "");
			}
		}
	}

	var allPageTags=document.getElementsByTagName("*"); /* Menu in kaart */
	for (i=0; i<allPageTags.length; i++) { 
		if (allPageTags[i].className=="menu2") {
			allPageTags[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			allPageTags[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp("sfhover\\b"), "");
			}
		}
	}

	var allPageTags=document.getElementsByTagName("*");
	for (i=0; i<allPageTags.length; i++) { 
		if (allPageTags[i].className=="detail2") { /* To highlight the pages */
			allPageTags[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			allPageTags[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp("sfhover\\b"), "");
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


function openPopup( strURL, intWidth, intHeight, blnNewWindow ) 
{
	var intScreenHeight = 0;

	if(parseInt( navigator.appVersion ) > 3) {
		intScreenHeight = screen.availHeight;
		if( !intScreenHeight ) {
			intScreenHeight = screen.height;
	}
	} else if(navigator.appName == "Netscape" && 
		parseInt( navigator.appVersion ) == 3 && 
		navigator.javaEnabled()) {
		var jToolkit = java.awt.Toolkit.getDefaultToolkit();
		var jScreenSize = jToolkit.getScreenSize();
		intScreenHeight = jScreenSize.height;
	} else {
		alert( 'Can\'t detect screen resolution' );
		return;
	}

	if( intHeight > intScreenHeight ) {
		intHeight = intScreenHeight - 10;
	}
	if( blnNewWindow ) {
		var openPopup = window.open( strURL,'popup','toolbar=no,scrollbars=yes,location=no,status=no,menubar=no,resizable=yes,width=' + intWidth + ',height=' + intHeight );
		openPopup.focus();
	} else {
		window.resizeTo( intWidth + 13, intHeight + 55);
	}
	return;
}