// JavaScript Document

function FP_preloadImgs() {//v1.0
 var d=document,a=arguments; if(!d.FP_imgs) d.FP_imgs=new Array();
 for(var i=0; i<a.length; i++) { d.FP_imgs[i]=new Image; d.FP_imgs[i].src=a[i]; }
}

window.onload = function()
{
    var lis = document.getElementsByTagName("li");

    for (var i=0;i<lis.length;i++) {
        lis[i].onmouseover = function()
        {
            this.style.backgroundImage = "url('images/hover.png')";
        };
        lis[i].onmouseout = function()
        {
            this.style.backgroundImage = "url('images/normal.png')";
        };
        lis[i].onmousedown = function()
        {
            this.style.backgroundImage = "url('images/depressed.png')";
        };
        lis[i].onmouseup = function()
        {
            this.style.backgroundImage = "url('images/hover.png')";
        };
    }
    FP_preloadImgs('images/hover.png','images/depressed.png');
};