function placeFooter() {

    var x,y;
    if (self.innerHeight) // all except Explorer
    {
            x = self.innerWidth;
            y = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight)
            // Explorer 6 Strict Mode
    {
            x = document.documentElement.clientWidth;
            y = document.documentElement.clientHeight;
    }
    else if (document.body) // other Explorers
    {
            x = document.body.clientWidth;
            y = document.body.clientHeight;
    }
    
    h=y-2;
    if (h) {
        if (myObj=document.getElementById("column_sub_navigation")) {
              i = document.getElementById("row_header").offsetHeight + document.getElementById("row_main_navigation").offsetHeight + document.getElementById("row_breadcrumb_navigation").offsetHeight + document.getElementById("to_top_link").offsetHeight + document.getElementById("row_footer").offsetHeight;
              myObj.style.height = (h - i - 2)+"px";
        }
     }
}

function popupWindow(url) {
  win=window.open(url,'popupWindow','locationbar=no,scrollbars=yes,status=no,menubar=no,resizable=yes,toolbar=no');
  win.focus();
}