function openwindow(page,tag,width,height)
{
    args =
      "width=" + width + ",height=" +height +","+
      "menubar=0,titlebar=0,toolbar=0,scrollbars=1,status=0"+
      "location=0,menubar=0,resizable=1,hotkeys=0,";

    window.open(page,tag,args);
}