activateMenu = function(nav)
{
	if (document.getElementById(nav))
	{
	   /* currentStyle restricts the Javascript to IE only */
		if (document.all && document.getElementById(nav).currentStyle)
		{
	        var navroot = document.getElementById(nav);

	        /* Get all the list items within the menu */
	        var lis=navroot.getElementsByTagName("LI");
	        for (i=0; i<lis.length; i++)
	        {
	           /* If the LI has another menu level */
	            if(lis[i].lastChild.tagName=="UL")
	            {
	                /* assign the function to the LI */
	             	lis[i].onmouseover=function()
	             	{
	                   /* display the inner menu */
	                   this.lastChild.style.display="block";
	                }
	                lis[i].onmouseout=function()
	                {
	                   this.lastChild.style.display="none";
	                }
	            }
	        }
	    }
	}
}