// JavaScript Document.
if (document.images) 
{
    homebuttonup       = new Image();
    homebuttonup.src   = "images/arms-2.jpg" ;
    homebuttondown     = new Image() ;
    homebuttondown.src = "images/arms-2-on.jpg" ;
	
	aboutbuttonup       = new Image();
    aboutbuttonup.src   = "images/arms-3.jpg" ;
    aboutbuttondown     = new Image() ;
    aboutbuttondown.src = "images/arms-3-on.jpg" ;
	
	probuttonup       = new Image();
    probuttonup.src   = "images/arms-4.jpg" ;
    probuttondown     = new Image() ;
    probuttondown.src = "images/arms-4-on.jpg" ;
	
	enqbuttonup       = new Image();
    enqbuttonup.src   = "images/arms-1.jpg" ;
    enqbuttondown     = new Image() ;
    enqbuttondown.src = "images/arms-1-on.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" );
    }
}


// -->