function WindowOpen(url,target,width,height){
	target = (target) ? target : '_blank';
	size   = (width)  ? ',width=' + width : '';
	size  += (width && height) ? ',height=' + height : '';
	var win = window.open(url,target,"toolbar=no,location=yes,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes" + size);
	win.focus();
}