/*==================================

            rollover

==================================*/ 
//img要素に「XXX_off.gif」のように_offとネーミングされるとロールオーバーの対象になる。

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."));
        }
      }
    }
  }
}



/*==================================

            イベントリスナー

==================================*/ 

function addEvent(elm,listener,fn){
	try{
		elm.addEventListener(listener,fn,false);
	}catch(e){
        elm.attachEvent('on'+listener, fn);
	}
}

 

addEvent(window,"load",smartRollover);
//addEvent(window,"load",function(){technologyInit()});