function preloadImages()

{

       arImageSrc = ['imgs/menu_over_01.gif', 'imgs/menu_over_02.gif','imgs/menu_over_03.gif','imgs/menu_over_04.gif','imgs/menu_over_05.gif','imgs/menu_over_06.gif'];

       arImageList = new Array();

        for (i = 0; i < arImageSrc.length; i++)

        {
                arImageList[i] = new Image();

                arImageList[i].src = arImageSrc[i];
        }

}

function imgswap(name, type)  
{
  eval("document." + name + ".src = '" + type + "'");
}