function initPage()
{
	if(!document.getElementById("navigation"))
		return;
	var lis = document.getElementById("navigation").getElementsByTagName("LI");
	for (var i=0;i<lis.length;i++)
	{
		lis[i].onmouseover=function()
    {
      this.className+=" hover";
    }
		lis[i].onmouseout=function() 
    { 
      this.className=this.className.replace(" hover", "");
    }
	}
}

if (window.attachEvent){
	window.attachEvent("onload", initPage);
}
else if (window.addEventListener){
	window.addEventListener("load", initPage, false);
}