function open_window(html_url,w,h,window_name){
         newWin = window.open(html_url,window_name,
                              "width="+w+",height="+h+",scrollbars=1,status=0,resizable=yes");
}
function open_window2(html_url,window_name){
         newWin = window.open(html_url,window_name);
}