// JavaScript Document
               if (document.images) {  // If the image object exists    
              // Preload images
    off = new Array(6)
    on = new Array(6)
      on[1] = new Image();          
      on[1].src = "images/buttons/button1_on.gif";
      on[2] = new Image();          
      on[2].src = "images/buttons/button2_on.gif";
      on[3] = new Image();          
      on[3].src = "images/buttons/button3_on.gif";
      on[4] = new Image();          
      on[4].src = "images/buttons/button4_on.gif";
      on[5] = new Image();          
      on[5].src = "images/buttons/button5_on.gif";

      off[1] = new Image();         
      off[1].src = "images/buttons/button1_off.gif";
      off[2] = new Image();         
      off[2].src = "images/buttons/button2_off.gif";
      off[3] = new Image();         
      off[3].src = "images/buttons/button3_off.gif";
      off[4] = new Image();         
      off[4].src = "images/buttons/button4_off.gif";
      off[5] = new Image();         
      off[5].src = "images/buttons/button5_off.gif";
     
      }                                    
          function buttonOn(buttonName,num) {  
            if (document.images) { // If the image object exists   
              // Change images on the page
              document[buttonName].src = on[num].src;

            }
         } 
         function buttonOff(buttonName,num) {  
            if (document.images) { // If the image object exists   
              // Change images on the page
              document[buttonName].src = off[num].src;
            }
        }
// -->

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}