function openWindow(src, h, w)
{
	newwin = window.open(src, "", "top=5,height="+h+",width="+w+",dependent=0,directories=0,location=0,menubar=0,resizable=0,scrollbars=0,toolbars=0");
	setTimeout('newwin.focus();',250);
}

function sendForm(form) {

	form.sender.value=form.Achternaam.value;
	form.emailsender.value=form.Emailadres.value;
	string = "";
	if (form.Voorletter.value=="") string="  -Voorletter(s)\n";
	if (form.Achternaam.value=="") string="  -Achternaam\n";
	if (form.Adres.value=="")  string=string+"  -Adres\n";
	if (form.Postcode.value=="")       string=string+"  -Postcode\n";		
	if (form.Woonplaats.value=="")  string=string+"  -Woonplaats\n";
	if (form.Telefoon.value=="")    string=string+"  -Telefoon\n";
	if (form.Emailadres.value=="")    string=string+"  -E-mailadres\n";

	if (string!="")	{
		alert("U dient uw\n"+string+"nog in te vullen!");	
		return false;
	}
	else {
	return true;
	}
}