function fcheck(fn)
{
	if ((fn.email.value == "") && (fn.telefoon.value.length < 7))
	{
		alert("Graag E-mail adres of \n een geldig telefoonnummer meesturen.");
		fn.email.value = "";
		fn.telefoon.value = ""
		fn.email.focus();
		return (false);
	}
	return true;
}
var ow=null;
function openWin(url){
	var ow=window.open(url,"medewerkers","scrollbars=yes,screenX=30,screenY=30,left=0, top=30,resizable=yes,width=850,height=500");
	ow.focus();
}