// JScript File
var buttonBaseImgFolder;

function onButtonOver(elem, fnOver) 
{
    document.getElementById(elem).style.backgroundImage = 'url("' + buttonBaseImgFolder + fnOver + '")';             
}

function onButtonOut(elem, fnOut) 
{
    document.getElementById(elem).style.backgroundImage = 'url("' + buttonBaseImgFolder + fnOut + '")';            
}