MenuHover = function() {
        if (document.getElementById("project_menu"))
        {
	        var menuElements = document.getElementById("project_menu").getElementsByTagName("li");
	        for (var i=0; i<menuElements.length; i++) {
		        menuElements[i].onmouseover=function() {
			        this.className+=" project_menu_hover";
		        }
		        menuElements[i].onmouseout=function() {
			        this.className=this.className.replace(new RegExp(" project_menu_hover\\b"), "");
		        }
	        }
	    }
	    
	    }
	        
    if (window.attachEvent) window.attachEvent("onload", MenuHover);