function smartRollover() {
  if(document.getElementsByTagName) {
    var images = document.getElementsByTagName("img");

    for(var i=0; i < images.length; i++) {
      if(images[i].getAttribute("src").match("_off.")){
        images[i].onmouseover = function() {
          this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
        }
        images[i].onmouseout = function() {
          this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
        }
      }
    }
  }
}

if(window.addEventListener) {
  window.addEventListener("load", smartRollover, false);
}else if(window.attachEvent) {
  window.attachEvent("onload", smartRollover);
}



function btnConform(){
  var inputs = document.getElementsByTagName("input");
  for( var i=0,j=inputs.length; i<j; i++){
    var btn = inputs[i]; 
    if(btn.getAttribute("class") == "input_btn"){
      btn.onmouseover = function(){
      this.style.backgroundPosition = 'left -22px';
      return false;
    }
    btn.onmouseout = function(){
      this.style.backgroundPosition = 'left top';
      return false;
    }
  }
  if(btn.getAttribute("className") == "input_btn"){
    btn.onmouseover = function(){
     this.style.backgroundPosition = 'left -22px';
     return false;
    }
    btn.onmouseout = function(){
      this.style.backgroundPosition = 'left top';
      return false;
    }
  }
}
for( var i=0,j=inputs.length; i<j; i++){
  var btn = inputs[i]; 
  if(btn.getAttribute("class") == "input_btn2"){
    btn.onmouseover = function(){
      this.style.backgroundPosition = 'left -20px';
      return false;
    }
    btn.onmouseout = function(){
      this.style.backgroundPosition = 'left top';
      return false;
    }
  }
  if(btn.getAttribute("className") == "input_btn2"){
    btn.onmouseover = function(){
      this.style.backgroundPosition = 'left -20px';
      return false;
    }
    btn.onmouseout = function(){
      this.style.backgroundPosition = 'left top';
      return false;
    }
  }
}
for( var i=0,j=inputs.length; i<j; i++){
  var btn = inputs[i]; 
  if(btn.getAttribute("class") == "input_btn3"){
    btn.onmouseover = function(){
      this.style.backgroundPosition = 'left -20px';
      return false;
    }
    btn.onmouseout = function(){
      this.style.backgroundPosition = 'left top';
      return false;
    }
  }
  if(btn.getAttribute("className") == "input_btn3"){
    btn.onmouseover = function(){
      this.style.backgroundPosition = 'left -20px';
      return false;
    }
    btn.onmouseout = function(){
      this.style.backgroundPosition = 'left top';
      return false;
    }
  }
}
}

window.onload = btnConform;