function changeMenuCellBackground(id)
{
 //var menuCellId = menuCellId;
 newImage = "url(http://www.astrology.com.au/template/topMenuRolloverBackGround.jpg)";
 document.getElementById(id).style.backgroundImage = newImage;

}
function defaultMenuCellBackground(id)
{
 //var menuCellId = menuCellId;
 newImage = "url(http://www.astrology.com.au/template/topMenuBackground.jpg)";
 document.getElementById(id).style.backgroundImage = newImage;
}