<!--
if (document.images) {var n1=new Image(); n1.src="images/top_on_02.gif";}
if (document.images) {var n2=new Image(); n2.src="images/top_on_03.gif";}
if (document.images) {var n3=new Image(); n3.src="images/top_on_04.gif";}
if (document.images) {var n4=new Image(); n4.src="images/top_on_05.gif";}
if (document.images) {var n5=new Image(); n5.src="images/top_on_6.gif";}
if (document.images) {var n6=new Image(); n6.src="images/top_on_07.gif";}
if (document.images) {var n7=new Image(); n7.src="images/top_on_08.gif";}
if (document.images) {var s1=new Image(); s1.src="images/science_nav_on_01.gif";}
if (document.images) {var s2=new Image(); s2.src="images/science_nav_on_02.gif";}
if (document.images) {var s3=new Image(); s3.src="images/science_nav_on_03.gif";}
if (document.images) {var s4=new Image(); s4.src="images/science_nav_on_04.gif";}
if (document.images) {var s5=new Image(); s5.src="images/science_nav_on_05.gif";}

function formHandler(form){
var URL = document.form.site.options[document.form.site.selectedIndex].value;
window.location.href = URL;
}

  function openWindow(url, name) {
  var l = openWindow.arguments.length;
  var w = "";
  var h = "";
  var features = "";

  for (i=2; i<l; i++) {
    var param = openWindow.arguments[i];
    if ( (parseInt(param) == 0) ||
      (isNaN(parseInt(param))) ) {
      features += param + ',';
    } else {
      (w == "") ? w = "width=" + param + "," :
       h = "height=" + param;
    }
  }

  features += w + h;
  var code = "popupWin = window.open(url, name";
  if (l > 2) code += ", '" + features;
  code += "')";
  eval(code);
  }

//-->