if (document.images) {
	
    Abuttonup       = new Image();
    Abuttonup.src   = "/portal/au/images/icon-demo-1-ov.jpg" ;
    Abuttondown     = new Image() ;
    Abuttondown.src = "/portal/au/images/icon-demo-1-ov.jpg" ;

    Bbuttonup       = new Image();
    Bbuttonup.src   = "/portal/au/images/icon-demo-2.jpg" ;
    Bbuttondown     = new Image() ;
    Bbuttondown.src = "/portal/au/images/icon-demo-2-ov.jpg" ;
	
	Cbuttonup       = new Image();
    Cbuttonup.src   = "/portal/au/images/icon-demo-3.jpg" ;
    Cbuttondown     = new Image() ;
    Cbuttondown.src = "/portal/au/images/icon-demo-3-ov.jpg" ;
	
	Dbuttonup       = new Image();
    Dbuttonup.src   = "/portal/au/images/icon-demo-4.jpg" ;
    Dbuttondown     = new Image() ;
    Dbuttondown.src = "/portal/au/images/icon-demo-4-ov.jpg" ;
	
	Ebuttonup       = new Image();
    Ebuttonup.src   = "/portal/au/images/icon-demo-5.jpg" ;
    Ebuttondown     = new Image() ;
    Ebuttondown.src = "/portal/au/images/icon-demo-5-ov.jpg" ;
	
	Fbuttonup       = new Image();
    Fbuttonup.src   = "/portal/au/images/icon-demo-6.jpg" ;
    Fbuttondown     = new Image() ;
    Fbuttondown.src = "/portal/au/images/icon-demo-6-ov.jpg" ;
	
	Gbuttonup       = new Image();
    Gbuttonup.src   = "/portal/au/images/icon-demo-7.jpg" ;
    Gbuttondown     = new Image() ;
    Gbuttondown.src = "/portal/au/images/icon-demo-7-ov.jpg" ;
	
	Hbuttonup       = new Image();
    Hbuttonup.src   = "/portal/au/images/icon-demo-8.jpg" ;
    Hbuttondown     = new Image() ;
    Hbuttondown.src = "/portal/au/images/icon-demo-8-ov.jpg" ;
	
	sfdcbuttonup       = new Image();
    sfdcbuttonup.src   = "/portal/au/images/landing-ns-sf-integrate-v3.jpg" ;
    sfdcbuttondown     = new Image() ;
    sfdcbuttondown.src = "/portal/au/images/landing-ns-sf-integrate-v3-ov.jpg" ;
}
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" );
    }
}