function getFileExtension($str) { $i = strrpos($str,"."); if (!$i) { return ""; } $l = strlen($str) - $i; $ext = substr($str,$i+1,$l); return $ext; }



<!-- Begin<  PULL DOWN MENU SCRIPT 
function leapto(form) {
var myindex=form.dest.selectedIndex
location.href=(form.dest.options[myindex].value);
// You can output to ANY frame using:  parent.[framename].location.href
}
// End -->



// show/hide events for home page and other pages that need the show hide function.
function showHide(shID) {
   if (document.getElementById(shID)) {
      if (document.getElementById(shID+'-show').style.display != 'none') {
         document.getElementById(shID+'-show').style.display = 'none';
         document.getElementById(shID).style.display = 'block';
      }
      else {
         document.getElementById(shID+'-show').style.display = 'inline';
         document.getElementById(shID).style.display = 'none';
      }
   }
}