function main(){
	var aoImgs = document.getElementById("div_content").getElementsByTagName("img");
	for(var i = 0; i < aoImgs.length; ++i){
		var oImg = aoImgs[i];
		var sSrc = oImg.src.toString();
		var asSrcH = sSrc.split("_");
		asSrcH[2] = new Array(asSrcH[2],"H").join("");
		sSrcH = asSrcH.join("_");
		oImg.onmouseover=function(){
			var sSrc = this.src.toString();
			var asSrcH = sSrc.split("_");
			asSrcH[2] = new Array(asSrcH[2],"H").join("");
			sSrcH = asSrcH.join("_");
			this.src = sSrcH;
			return;
		}
		oImg.onmouseout=function(){
			var sSrc = this.src.toString();
			var asSrcH = sSrc.split("_");
			asSrcH[2] = asSrcH[2].substring(0,asSrcH[2].length-1);
			sSrc = asSrcH.join("_");
			this.src = sSrc;
			return;
		}
	}
	return;
}
setTimeout("main()",0);