// <!--

        var rollover_OK = "no";

        function readyToGo() {

                rollover_OK = "yes";

                }

        if (document.images) {

           var button1_OFF = new Image();
           var button1_ON  = new Image();
           
           var button2_OFF = new Image();
           var button2_ON  = new Image();
           
           var button3_OFF = new Image();
           var button3_ON  = new Image();

           var button4_OFF = new Image();
           var button4_ON  = new Image();
                      
           var button5_OFF = new Image();
           var button5_ON  = new Image();
                      
           var button6_OFF = new Image();
           var button6_ON  = new Image();
           
           
           
  		   button1_OFF.src = "/images/but_home.gif";
           button1_ON.src  = "/images/but_home_hi.gif";
           
           button2_OFF.src = "/images/but_about.gif";
           button2_ON.src  = "/images/but_about_hi.gif";

           button3_OFF.src = "/images/but_collections.gif";
           button3_ON.src  = "/images/but_collections_hi.gif";

           button4_OFF.src = "/images/but_events.gif";
           button4_ON.src  = "/images/but_events_hi.gif";
           
           button5_OFF.src = "/images/but_exhibits.gif";
           button5_ON.src  = "/images/but_exhibits_hi.gif";
 
 	   button6_OFF.src = "/images/but_donate.gif";
           button6_ON.src  = "/images/but_donate_hi.gif";
           
          
            
                      
  }



  function showButton(num,state) {

    if ((document.images) && (rollover_OK == "yes")) {

        document.images["button" + num].src = eval("button" + num + 
"_" + state + ".src");

    }

  }

// -->