function open_window(url,w,h) 
{
   var status_string = "status=no,toolbar=no,scrollbars=no,resizable=yes,location=no,width="+w+",height="+h;
   open(url, "_blank", status_string);
}

function open_window2(url,w,h) 
{
   var status_string = "status=yes,toolbar=yes,scrollbars=yes,resizable=yes,location=yes,width="+w+",height="+h;
   open(url, "_blank", status_string);
}

function open_window3(url,w,h) 
{
   var status_string = "status=no,toolbar=no,scrollbars=yes,resizable=yes,location=no,width="+w+",height="+h;
   open(url, "_blank", status_string);
}