function winOpen(url,w,h,r,s) {
	if (w=="") w=150;
	if (h=="") h=300;
	if (r=="") r=1;
	if (s=="") s=0;
	window.open(url,null,"menubar=0,resizable="+r+",scrollbars="+s+",status=0,left=200,top=150,width="+w+",height="+h);
}