function wOpen(url,name,w,h,s,x,y){
	window.focus();
	s=(s==null)?"no":"yes";
	x=(x!=null)?x:(screen.width-w)/2;
	y=(y!=null)?y:(screen.height-h)/2;
	var miv=window.open(url,name,"toolbar=no,location=no,directories=no,status=no,scrollbars="+s+",resizable=no,fullscreen=0,width="+w+",height="+h+",left="+x+",top="+y);
	miv.focus();
	return miv;
}