/* 
	Mouse Over
	ver1.0 2009-01-20
*/
var moObj = {
  setAllImgs : function() {
	if(!document.images){return;}
    var imgs = document.images;
    for(var i=0;i<imgs.length;i++){
      if((imgs[i].src)&&(imgs[i].parentNode.tagName=='A')&&(imgs[i].className =="over")){
		if(navigator.userAgent.indexOf("MSIE")!=-1){
			imgs[i].parentNode.style.height = imgs[i].height + "px" ;
   		}
		var rolloverImg = imgs[i];
		var alpha = 100;
		moObj.addEvent(rolloverImg,'mouseover',function(){moObj.setFader(this,60,0.4);});
		moObj.addEvent(rolloverImg,'mouseout',function(){moObj.setFader(this,100,0.1);});
      }
    }
  },

	setFader : function(targetObj,targetAlpha,targetSpeed){
    targetObj.targetAlpha = targetAlpha;
	targetObj.targetSpeed = targetSpeed;

    if(targetObj.currentAlpha==undefined){
      targetObj.currentAlpha = 100;
    }
    if(targetObj.currentAlpha==targetObj.targetAlpha){
      return;
    }
    if(!targetObj.fading){
      if(!targetObj.fader){
        targetObj.fader = moObj.fader;
      }
      targetObj.fading = true;
      targetObj.fader();
    }
  },

  fader : function (){
    this.currentAlpha += (this.targetAlpha - this.currentAlpha)*this.targetSpeed;
    if(Math.abs(this.currentAlpha-this.targetAlpha)<1){
      this.currentAlpha = this.targetAlpha;
      this.fading = false;
    }
    var alpha = parseInt(this.currentAlpha);
    this.style.opacity = alpha/100;
    this.style.filter = 'alpha(opacity='+alpha+')';
    if(this.fading){
      var scope = this;
      setTimeout(function(){moObj.fader.apply(scope)},30);
    }
  },
  
  addEvent : function(eventTarget, eventName, func){
    if(eventTarget.addEventListener){
      // for Modern Browser 
      eventTarget.addEventListener(eventName, func, false);
    }else if(window.attachEvent){
      // for IE
      eventTarget.attachEvent('on'+eventName, function(){func.apply(eventTarget);});
    }
  }
}
moObj.addEvent(window,'load',moObj.setAllImgs);