//select navigation
function SelectTopic(topic)
{
 if (topic != " ") {
 if (topic.substr(0,4) != "http") {
  document.location = topic;
 } else {top.document.location = topic;}
}
document.FormSelect.pulldown.options[0].selected =  true;

}


//detect if Internet Explorer and change style sheet properties
if (navigator.appName == "Microsoft Internet Explorer") {
 document.write("<STYLE>UL{margin-left:0;}</STYLE>");
}


function ScreenIt(url,name,parm){ 
      if(url.indexOf("/sys/popup_source.shtml")!=-1) return false; 
      return window.Xopen(url,name,parm); 
} 
window.Xopen=window.open; 
window.open=ScreenIt;