// UTF-8

new function(){
	function setRollOver(){
		if(!document.images){return;}
		var imgs = document.images;
		var insert = [];
		for(var i=0;i<imgs.length;i++){
			var splitname = imgs[i].src.split('_off.');
			if((splitname[1])&&(imgs[i].parentNode.tagName=='A')){
				var rolloverImg = document.createElement('img');
				rolloverImg.src = splitname[0]+'_on.'+splitname[1];
				var alpha = 0;
				rolloverImg.currentAlpha = alpha;
				rolloverImg.style.opacity = alpha/100;
				rolloverImg.style.filter = 'alpha(opacity='+alpha+')';
				rolloverImg.style.position = 'absolute';

				addEvent(rolloverImg,'mouseover',function(){setFader(this,100);});
				addEvent(rolloverImg,'mouseout',function(){setFader(this,0);});

				insert[insert.length] = {position:imgs[i],element:rolloverImg};
			}
		}
		for(var i=0;i<insert.length;i++){
			var parent = insert[i].position.parentNode;
			parent.insertBefore(insert[i].element,insert[i].position);
		}
	}

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

	function fader(){
		this.currentAlpha += (this.targetAlpha - this.currentAlpha)*0.2;
		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(){fader.apply(scope)},30);
		}
	}

	function addEvent(eventTarget, eventName, func){
		if(eventTarget.addEventListener){
			eventTarget.addEventListener(eventName, func, false);
		}else if(window.attachEvent){// IE
			eventTarget.attachEvent('on'+eventName, function(){func.apply(eventTarget);});
		}
	}

	addEvent(window,'load',setRollOver);

}