var mainFrame = null;
var loop =false;
function scrollFrame(val)
{
   if( mainFrame == null)
     {
	    mainFrame = document.getElementById('dmx1Container');
		
	 }

if(loop)
	 {
	     try
		 {
	     mainFrame.scrollTop = parseFloat(mainFrame.scrollTop) + val ;
		 setTimeout("scrollFrame("+val+")",0);
		 }catch(ex){loop=false;}
	 }
  
  }