function destek(id) {
	var ow = screen.width;
	var oh = screen.height;

	var left = (ow/2)-258;
	var top = (oh/2)-209;

	var pencere = window.open('/destek.php?u='+id,null,'width=515, height=418, left='+left+', top='+top);
	return(true);
}