function delItem(URL){ 
    //<a href="delItem('page.php?act=del&id=1')">link</a>
	var vraag; 
    vraag=window.confirm("Let op:\nWeet u zeker dat u dit item wilt verwijderen?") 
    if (vraag==true){ 
        window.location=URL; 
    } 
}
function openPreview(ID){
	windowWidth = 176;  
	windowHeight = 208;
	winprops="width="+windowWidth+",height="+windowHeight+",location=no,menubar=no,directories=no,toolbar=no,scrollbars=no,resizable=no,status=no";
	win=window.open("preview.php?id=" + ID, 'phpGroupWare',winprops );
	if (parseInt(navigator.appVersion) >= 4){
	win.moveTo((screen.width/2)-(windowWidth/2+10),(screen.height/2)-(windowHeight/2+20));
	}
	win.focus();
}