// JavaScript Document

//initRollover
function initRollover(strClass,strFix){
	var node = null;
	var orgSrc = "";
	var newSrc = "";

	for(var i=0,l=document.images.length;i<l;i++){
		node = document.images[i];
		if(searchAry(node.className,strClass)){
			node.orgSrc = node.src;
			node.swpSrc = node.orgSrc.replace(/(\.gif|\.jpg|\.png)/,strFix+"$1");

			node.onmouseover = function(){ 	
				if(!this.src.match(strFix+".jpg"||strFix+".gif"||strFix+".png")){
					this.src = this.src.replace(/(\.gif|\.jpg|\.png)/,strFix+"$1");	
				}
			};
			node.onmouseout = function(){
				 this.src = this.src.replace(strFix,"");
			};
			preloadImg(node.swpSrc);
		}
	}
}

// searchAry
function searchAry(sOriginal,sKeyword){
	var bResult = false;
	var sArray = sOriginal.split(/\s/);
	for(var i=0,l=sArray.length;i<l;i++){
		if(sArray[i] == sKeyword){
			bResult = true;
		}
	}
	return bResult;
}

// preloadImg
if(preloadImages !== null){
	var preloadImages = new Array();
}
function preloadImg(sSrc){
	var p = preloadImages;
	var l = preloadImages.length;
	p[l] = new Image();
	p[l].src = sSrc;
}