function mouseover(element)
 {
   element.style.backgroundColor='#fc0';
	 element.style.backgroundImage='url(\'image/down_enabled.gif\')';
	 element.style.color = 'black';
 }
 
 function mouseout(element)
 {
   element.style.backgroundColor='black';
	 element.style.backgroundImage='url(\'image/down_disabled.gif\')';
	 element.style.color = 'white';
 }
 
 function showsub(idname)
 {
   document.getElementById(idname).style.visibility = 'visible';
 }
 
 function hidesub(idname)
 {
   document.getElementById(idname).style.visibility = 'hidden';
 }

 function popup(src) 
 {
   var theWindow = window.open(src.getAttribute('href'), '_blank', '');
   theWindow.focus();
   return false;
 }