function heading_over(col)
{
    var str=col + "menuitems";
    var o = document.getElementById(str);
    o.style.visibility="visible";
}

function heading_out(col)
{
    var str=col + "menuitems";
    var o = document.getElementById(str);
    o.style.visibility="hidden";
}

function set_bg(img,src)
{
    var o = document.getElementById(img);
    o.style.backgroundImage="url("+src+")";
}

function doLoad()
{
/*
    var b = 563;
    var g = 415;
    var r = 267;
    //alert(navigator.userAgent); 
    if (navigator.userAgent.indexOf("KHTML")!=-1)
    {
        b -= 5;
        g -= 12;
        r -= 4;
    }
    else if (navigator.userAgent.indexOf("Konqueror")!=-1)
    {
        b -= 15;
	g -= 29;
	r -= 12;
    }

    document.getElementById("blumenu").style.right=b+"px";
    document.getElementById("grnmenu").style.right=g+"px";
    document.getElementById("redmenu").style.right=r+"px";
*/
}

function index_topics_changed()
{
    var id = document.getElementById("topics");
    var sel = id.selectedIndex;
    var url=null;
    if (sel > 0)
    {
        url = id.options[sel].text;
        url = url.toLowerCase();
        url = url.replace(/\-/g,"_");
        url = "/training_" + url.replace(/\s+/g,"_");
        location = url;
    }
}