// <!--        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();                                                         		   button1_OFF.src = "images/but_1.gif";           button1_ON.src  = "images/but_1_hi.gif";                      button2_OFF.src = "images/but_2.gif";           button2_ON.src  = "images/but_2_hi.gif";           button3_OFF.src = "images/but_3.gif";           button3_ON.src  = "images/but_3_hi.gif";           button4_OFF.src = "images/but_4.gif";           button4_ON.src  = "images/but_4_hi.gif";                      button5_OFF.src = "images/but_5.gif";           button5_ON.src  = "images/but_5_hi.gif";                      button6_OFF.src = "images/but_samples.gif";           button6_ON.src  = "images/but_samples_hi.gif";                      button7_OFF.src = "images/but_back.gif";           button7_ON.src  = "images/but_back_hi.gif";                                                          }  function showButton(num,state) {    if ((document.images) && (rollover_OK == "yes")) {        document.images["button" + num].src = eval("button" + num + "_" + state + ".src");    }  }// -->