navHover = function() {
	var lis = document.getElementById("navmenu").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
			        if(document.getElementById("menu_iframe")) {
          var iframe = document.getElementById("menu_iframe");

          var submenu = this.getElementsByTagName("UL");
          if(submenu.length) {
            iframe.style.top = submenu[0].offsetTop + this.offsetTop;
            iframe.style.left = submenu[0].offsetLeft + this.offsetLeft;
            iframe.style.width = submenu[0].scrollWidth;
            iframe.style.height = submenu[0].clientHeight;
            iframe.style.display = "inline";
          }
        }
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
			if(document.getElementById("menu_iframe")) {
          var iframe = document.getElementById("menu_iframe");
          iframe.style.display = "none";
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover);