if (document.images) {
    homeup       = new Image();
    homeup.src   = "images/home.gif" ;
    homedown     = new Image() ;
    homedown.src = "images/homedown.gif" ;
	
	aboutup       = new Image();
    aboutup.src   = "images/about.gif" ;
    aboutdown     = new Image() ;
    aboutdown.src = "images/aboutdown.gif" ;
	
	menuup       = new Image();
    menuup.src   = "images/menu.gif" ;
    menudown     = new Image() ;
    menudown.src = "images/menudown.gif" ;
	
	banquetup       = new Image();
    banquetup.src   = "images/banquet.gif" ;
    banquetdown     = new Image() ;
    banquetdown.src = "images/banquetdown.gif" ;
	
	cateringup       = new Image();
    cateringup.src   = "images/catering.gif" ;
    cateringdown     = new Image() ;
    cateringdown.src = "images/cateringdown.gif" ;
	
	cantactup       = new Image();
    cantactup.src   = "images/cantact.gif" ;
    cantactdown     = new Image() ;
    cantactdown.src = "images/cantactdown.gif" ;
	
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src");
    }
}// JavaScript Document