// JavaScript Document
function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function imgSwap(oImg)
{
   var strOver  = "_up"    // image to be used with mouse over
   var strOff = "_over"     // normal image
   var strImg = oImg.src
   if (strImg.indexOf(strOver) != -1)
      oImg.src = strImg.replace(strOver,strOff)
   else
      oImg.src = strImg.replace(strOff,strOver)
}

function init()
{
  preloadNav();

  $(".nav").each(
     function(i){
       $(this).hover(
         function(){
           imgSwap(this)
         },
         function(){
           imgSwap(this)
         }
       )
     }
  );

  ////// Zebra Striping
  //$(".cart tr:nth-child(odd)").addClass("odd");
  //$(".cart tr:nth-child(even)").addClass("even");

}




function preloadNav()
{

  preloadImages(
    '/images/nav/products_down.gif',
    '/images/nav/news_down.gif',
    '/images/nav/battlepix_down.gif',
    '/images/nav/cart_down.gif',

    '/images/nav/products_up.gif',
    '/images/nav/news_up.gif',
    '/images/nav/battlepix_up.gif',
    '/images/nav/cart_up.gif',

    '/images/nav/products_over.gif',
    '/images/nav/news_over.gif',
    '/images/nav/battlepix_over.gif',
    '/images/nav/cart_over.gif'
  );

}




$(document).ready(function(){init();});