function initPage()
{
        var navRoot = document.getElementById("navigation");
        var lis = navRoot.getElementsByTagName("li");
        for (var i=0; i<lis.length; i++)
        {
                lis[i].onmouseover = function()
                {
                        this.className = "hover";
                }
                lis[i].onmouseout = function()
                {
                        this.className = "";
                }
        }
        
        var navRoot = document.getElementById("doors");
        var lis = navRoot.getElementsByTagName("li");
        for (var i=0; i<lis.length; i++)
        {
                lis[i].onmouseover = function()
                {
                        this.className = "hover";
                }
                lis[i].onmouseout = function()
                {
                        this.className = "";
                }
        }
}

if (window.attachEvent && !window.opera)
        window.attachEvent("onload", initPage);