function openwin(url,x,y,w,h) {
	var url,x,y,w,h,features;
	features = 'left='+x+',top='+y+',screenx='+x+',screeny='+y+',width='+w+',height='+h+',resizable=yes,scrollbars=yes,menubar=no,toolbar=no,location=no';
	window.open(url,'',features);
}