function popUp(sUrl)
{
	var oPopup = window.createPopup();
	oPopup.document.location = sUrl;
	oPopup.show(100,100,500,300);
	//if (windowname == '' ) windowname = 'gymteamsintniklaaspopup';
	//window.open( sUrl, windowname, 'height=700,width=800,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}

function openExtRef( sUrl ) {
	var newwin = window.open( sUrl, "gtsnextrefwindow");
	newwin.focus();
	
}

function toggleDiv( whichLayer ) {  
	var elem, vis; 
	if( document.getElementById ) // this is the way the standards work    
		elem = document.getElementById( whichLayer );  
	else if( document.all ) // this is the way old msie versions work      
		elem = document.all[whichLayer];  
	else if( document.layers ) // this is the way nn4 works    
		elem = document.layers[whichLayer];  
	vis = elem.style;  // if the style.display value is blank we try to figure it out here 
	if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)    
		vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';  
	vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}