activateMenu = function(nav) 
{
    /* currentStyle restricts the Javascript to IE only */
        if (document.all && document.getElementById(nav)) { 
        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++) {
	
                lis[i].onmouseover=function() {
		    if (this.className != "nohref")
                        this.className="over";
                }
                lis[i].onmouseout=function() {
		    if (this.className != "nohref")
                        this.className=this.className.replace("over", "");
                }
           /* 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";
		    if (this.className != "nohref")
            	    this.className="over";
                }
                lis[i].onmouseout=function() {                       
                    this.lastChild.style.display="none";
		    if (this.className != "nohref")
                    this.className=this.className.replace("over", "");
                }
            }
        }
    }
}

function menu_over (name)
{
    var img = document.getElementById("img_" + name);
    img.src = "/images/menu_" + name + "_over.png";
}

function menu_out (name)
{
    var img = document.getElementById("img_" + name);
    img.src = "/images/menu_" + name + "_off.png";
}

function menu_item_over (name)
{
    var img = document.getElementById("img_item_" + name);
    img.src = "/images/menu/" + name + "_over.png";
}

function menu_item_out (name)
{
    var img = document.getElementById("img_item_" + name);
    img.src = "/images/menu/" + name + ".png";
}