function PopUpWindow(theURL, winName, features, lg) {
  
   var myTextField  = document.getElementById("qt");
   if(myTextField.value != "") {
   	theURL = 'http://web03.coginov.com/search/default.aspx?tdo=sea&is=0&il=9&lg=' + lg + '&cor=1%202&opt=&dt=&dto=av&nrq=' + myTextField.value;
   	newwindow = window.open(theURL, winName, features);
   	newwindow.focus();
   }
}
function search(e, nrq, lg) {
    var keycode;
    if (window.event) keycode = window.event.keyCode;
    else if (e) keycode = e.which;
    else return true;

    if (keycode == 13) {
        PopUpWindow(nrq, '', '', lg);
        return false;
    }
    else
        return true;
}