if (document.images) {

/**  on buttons **/
  image1on = new Image();
  image1on.src = "./images/btnonhome.gif";
  
  image2on = new Image();
  image2on.src = "./images/btnoncontest.gif";

  image3on = new Image();
  image3on.src = "./images/btnonads.gif";

  image4on = new Image();
  image4on.src = "./images/btnonsvc.gif";

  image5on = new Image();
  image5on.src = "./images/btnonsms.gif";
  
 
 /**  off buttons **/
  image1off = new Image();
  image1off.src = "./images/btnonhome.gif";
 
  image2off = new Image();
  image2off.src = "./images/btnoffcontest.gif";

  image3off = new Image();
  image3off.src = "./images/btnoffads.gif";

  image4off = new Image();
  image4off.src = "./images/btnoffsvc.gif";

  image5off = new Image();
  image5off.src = "./images/btnoffsms.gif";
  
 
  }

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}


function OpenWindow(URL) {


    window.open(URL,'_blank','scrollbars,left=75,top=75,width=800,height=800');	

}