function element(id){
   if(document.getElementById != null){
    return document.getElementById(id);
   }
   if(document.all != null){
    return document.all[id];
   }
   if(document.layers != null){
    return document.layers[id];
   }
   return null;
  }
		
  var i = 0;
  var stp = 0;
  var scrHt = 0;
  var contHt = 0
  
  function setVars() {
   if(element('scroller') == null){ return null; }
   
   scrHt = element('scroller').style.height;
   scrHt = scrHt.substr(0, (scrHt.length-2));
   contHt = element('scContent').scrollHeight; 
  }
  
  function scroller() {
   if(stp != '1') {
    if(element('scContent') == null){ return null; }
    
    element('scContent').style.top = i;
    i = i-.2; 
    if(i <= -contHt) { i = scrHt; }
   } else {
    
   }
   setTimeout('scroller()',1);
  }