function updateImageTitle(str){
   var div = document.getElementById("hoverTextDiv");
   if(!div)
   {
     var newdiv = document.createElement('div');
     //<div id="hoverTextDiv"  class="stripTransmitterDesc"></div>   
     var divIdName = 'hoverTextDiv';
     newdiv.setAttribute('id',divIdName);
     newdiv.setAttribute("class","stripTransmitterDesc");

     var ni = document.getElementById("stripTransmitter0");
     ni.appendChild(newdiv);	
     div = document.getElementById("hoverTextDiv");;		
   }	
   div.innerHTML= str;
}

function onMouseOut(){
   var div = document.getElementById("hoverTextDiv");
   if(div)
   {
      if(div.style.visibility != "hidden"){
        div.style.visibility = "hidden";
        div.innerHTML="";
      }
   }
}