function popup(url, x, y, name)
{
	if (!x) x = 600;
	if (!y) y = 600;
	
	if (!name) name='popWindow';
	 
	pop1 = window.open(url,name, 'toolbar=0,resizable=1,scrollbars=yes,location=0,height='+y+',width='+x+'');
	//window.open(url,name,'location=0,height='+y+',width='+x+'');
	pop1.focus;
}