if( document.images )
{
<!--On & Off-->
but7 = new Image(91,19) ;
but7.src = "b_about.gif";
but8 = new Image(91,19) ;
but8.src ="b_about2.gif"; 
but9 = new Image(91,19) ;
but9.src = "b_vid.gif";
but10 = new Image(91,19) ;
but10.src ="b_vid2.gif"; 
but11 = new Image(91,19) ;
but11.src = "b_multi.gif";
but12 = new Image(91,19) ;
but12.src ="b_multi2.gif"; 
but13 = new Image(91,19) ;
but13.src = "b_ani.gif";
but14 = new Image(91,19) ;
but14.src ="b_ani2.gif"; 
but15 = new Image(91,19) ;
but15.src = "b_web.gif";
but16 = new Image(91,19) ;
but16.src ="b_web2.gif"; 
but17 = new Image(91,19) ;
but17.src = "b_print.gif";
but18 = new Image(91,19) ;
but18.src ="b_print2.gif"; 
but19 = new Image(91,19) ;
but19.src = "b_con.gif";
but20 = new Image(91,19) ;
but20.src ="b_con2.gif"; 
<!--Add X2-->
}