if (document.images) {
	homebuttonup       = new Image();
    homebuttonup.src   = "images/home1.gif" ;
    homebuttondown     = new Image() ;
    homebuttondown.src = "images/home2.gif" ;
    
	aboutbuttonup       = new Image();
    aboutbuttonup.src   = "images/about1.gif" ;
    aboutbuttondown     = new Image() ;
    aboutbuttondown.src = "images/about2.gif" ;

	blogbuttonup       = new Image();
    blogbuttonup.src   = "images/blog1.gif" ;
    blogbuttondown     = new Image() ;
    blogbuttondown.src = "images/blog2.gif" ;
    
	contactbuttonup       = new Image();
    contactbuttonup.src   = "images/contact1.gif" ;
    contactbuttondown     = new Image() ;
    contactbuttondown.src = "images/contact2.gif" ;            
    
	portfoliobuttonup       = new Image();
    portfoliobuttonup.src   = "images/portfolio1.gif" ;
    portfoliobuttondown     = new Image() ;
    portfoliobuttondown.src = "images/portfolio2.gif" ;
    
    servicesbuttonup       = new Image();
    servicesbuttonup.src   = "images/services1.gif" ;
    servicesbuttondown     = new Image() ;
    servicesbuttondown.src = "images/services2.gif" ;
    
    abuttonup       = new Image();
    abuttonup.src   = "images/1.gif" ;
    abuttondown     = new Image() ;
    abuttondown.src = "images/2.gif" ;
    
    bbuttonup       = new Image();
    bbuttonup.src   = "images/3.gif" ;
    bbuttondown     = new Image() ;
    bbuttondown.src = "images/4.gif" ;
    
    cbuttonup       = new Image();
    cbuttonup.src   = "images/5.gif" ;
    cbuttondown     = new Image() ;
    cbuttondown.src = "images/6.gif" ;       
    
    phonehomebuttonup       = new Image();
    phonehomebuttonup.src   = "images/phoneHome1.gif" ;
    phonehomebuttondown     = new Image() ;
    phonehomebuttondown.src = "images/phoneHome2.gif" ;
    
    computerhomebuttonup       = new Image();
    computerhomebuttonup.src   = "images/computerHome1.gif" ;
    computerhomebuttondown     = new Image() ;
    computerhomebuttondown.src = "images/computerHome2.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" );
    }
}