if (document.images) {
	homebuttonup       = new Image();
    homebuttonup.src   = "images/navImages/home1.gif" ;
    homebuttondown     = new Image() ;
    homebuttondown.src = "images/navImages/home2.gif" ;
	
    cinematographerbuttonup       = new Image();
    cinematographerbuttonup.src   = "images/navImages/cinematographer1.gif" ;
    cinematographerbuttondown     = new Image() ;
    cinematographerbuttondown.src = "images/navImages/cinematographer2.gif" ;

	creativeDirectorbuttonup       = new Image();
    creativeDirectorbuttonup.src   = "images/navImages/creativeDirector1.gif" ;
    creativeDirectorbuttondown     = new Image() ;
    creativeDirectorbuttondown.src = "images/navImages/creativeDirector2.gif" ;
    
	photographerbuttonup       = new Image();
    photographerbuttonup.src   = "images/navImages/photographer1.gif" ;
    photographerbuttondown     = new Image() ;
    photographerbuttondown.src = "images/navImages/photographer2.gif" ;
    
	aboutbuttonup       = new Image();
    aboutbuttonup.src   = "images/navImages/about1.gif" ;
    aboutbuttondown     = new Image() ;
    aboutbuttondown.src = "images/navImages/about2.gif" ;

	blogbuttonup       = new Image();
    blogbuttonup.src   = "images/navImages/blog1.gif" ;
    blogbuttondown     = new Image() ;
    blogbuttondown.src = "images/navImages/blog2.gif" ;
    
	contactbuttonup       = new Image();
    contactbuttonup.src   = "images/navImages/contact1.gif" ;
    contactbuttondown     = new Image() ;
    contactbuttondown.src = "images/navImages/contact2.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" );
    }
}