var targetwindow;
		var targetname;
		function fnPopUp(targetwindow, targetname, mywidth, myheight){
		
    		var refwin;
    		var myheight;
    		var mywidth; 		
    		var breite = mywidth;
    		var hoehe = myheight;
    		refwin = window.open(targetwindow, targetname,'scrollbars=0,scrollbars=no,noresize,menubar=no,width='+breite+',height='+hoehe+'');
    		
    		refwin.focus();
		}