function wins(url,w,h)
{
	posx=window.screen.width/2-w/2;
	posy=window.screen.height/2-h/2;
	ww=window.open(url,'wins','top='+posy+',left='+posx+', width='+w+', height='+h+',directories=no,status=no,scrollbars=no, resize=yes,menubar=no, titlebar=no,toolbar=no');
	ww.document.focus();
	ww.document.close();
}