function navFix() 
{
if (document.all&&document.getElementById) 
	{
	navRoot = document.getElementById("nav");
	for (i=0; i<navRoot.childNodes.length; i++) 
		{
		node = navRoot.childNodes[i];
		if (node.nodeName=="LI") 
			{
			node.onmouseover=function() 
				{
				this.className+=" over";
  				}
  			node.onmouseout=function() 
  				{
  				this.className=this.className.replace(" over", "");
   			}
   		}
  		}
 	}
}


function addLoadEvent(func) 
{
  var oldonload = window.onload;
  if (typeof window.onload != 'function') 
  {
    window.onload = func;
  } 
  else 
  {
    window.onload = function() 
    	{
      oldonload();
      func();
    	}
  }
}

addLoadEvent(navFix);