// <!--        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();                               var button7_OFF = new Image();           var button7_ON  = new Image();                               var button8_OFF = new Image();           var button8_ON  = new Image();                               var button9_OFF = new Image();           var button9_ON  = new Image();                                             button1_OFF.src = "images/nav/bio_but.gif";           button1_ON.src  = "images/nav/bio_but_hi.gif";  		   button2_OFF.src = "images/nav/corp_but.gif";           button2_ON.src  = "images/nav/corp_but_hi.gif";                      button3_OFF.src = "images/nav/speaking_but.gif";           button3_ON.src  = "images/nav/speaking_but_hi.gif";                      button4_OFF.src = "images/nav/clients_but.gif";           button4_ON.src  = "images/nav/clients_but_hi.gif";                      button5_OFF.src = "images/nav/feedback_but.gif";           button5_ON.src  = "images/nav/feedback_but_hi.gif";                    button6_OFF.src = "images/nav/pub_but.gif";           button6_ON.src  = "images/nav/pub_but_hi.gif";                      button7_OFF.src = "images/nav/training_but.gif";           button7_ON.src  = "images/nav/training_but_hi.gif";                      button8_OFF.src = "images/nav/home_but.gif";           button8_ON.src  = "images/nav/home_but_hi.gif";                                                      button9_OFF.src = "images/nav/contact_but.gif";           button9_ON.src  = "images/nav/contact_but_hi.gif";         }  function showButton(num,state) {    if ((document.images) && (rollover_OK == "yes")) {        document.images["button" + num].src = eval("button" + num + "_" + state + ".src");    }  }// -->