function fcheckmail(){
	if(document.kuld.nev.value == ""){
		alert("A nevet kötelezo megadni!");
		document.kuld.nev.focus();
		return false;
	}
	bal = document.body.clientWidth/2-250;
	felso = document.body.clientHeight/2-50;
	window.open("","openwingoger","width=500,height=100,top=" + felso + ",left=" + bal + ",resizable=no,toolbar=no,menubar=no,location=no,scrollbars=no,modal=yes");	
	document.kuld.target = "openwingoger";
	document.kuld.action = "../send_mail.php";
	document.kuld.submit();
	now = this.location;
	this.location = now;
	return false;
}