var homead_i =0;
	var homead_links = null;
	var homead_texts = null;
	function initHomeJsAd(source){
	    document.write("<DIV id=homead_nav> " +
						"<UL>"+
						"</UL>"+
						"<DIV id=frontText></DIV>"+
						"<DIV id=BG></DIV>"+
						"<DIV id=bottomBG></DIV>"+
						"<DIV id=mask></DIV>"+
						"<DIV id=back>"+
						"<IMG height=180 width=536>"+
						"</DIV>"+
						"</DIV>");
		
		var ulHtml = "";
		var imagesSrc = source.images.split("|");
		
		
		
		if(source.texts)
			homead_texts = source.texts.split("|");
		else{
			$jQ("#bottomBG").hide();
		}
			
		if(source.links)
			homead_links = source.links.split("|");
		
		for(var i = 0; i < 4;i++){
			var t = (homead_texts == null)?'':homead_texts[i];
			ulHtml += "<LI class='ddddd'><IMG src='"+imagesSrc[i]+"' text='"+t+"' pic='"+(i+1)+"'></LI>";
		}
		$jQ("#homead_nav").children("ul").html(ulHtml);

		$jQ("li.ddddd img").click(function(){
			//如果已经处于active状态，return
			if (this.className.indexOf("active")!=-1) return;
			
			//正文文字渐隐
			$jQ("#frontText").hide();

			//active状态的图片恢复原样
			$jQ("li.ddddd img.active").fadeTo(200,0.6)
			.removeClass("active")
			.animate({top:3,width:88,height:36,left:10},300)
			.parent().css({"color":"#aaa"});  //
			
			//获取数据
			var i = $jQ(this).attr("pic");
			var t = $jQ(this).attr("text");
			var src = $jQ(this).attr("src");
			homead_i = parseInt(i) - 1;
			//当前
			$jQ(this)
			.animate({top:0,width:98,height:44,left:5},100)
			.addClass("active")
			.fadeTo(200,1)
			.parent().css({"color":"white"});

			$jQ("#back").css({"cursor":"pointer"});
			if(homead_texts != null)
				$jQ("#bottomBG").css({"height":"1px"},500).fadeTo(10,0.6).animate({height:30},500);
			
			$jQ("#back").children().addClass("homead_gray").end()
						.fadeTo(500,0.5,function(){
											//var IMG = new Image();
											//IMG.s
											$jQ(this).children("img")
											.attr("src",src)
											.removeClass("homead_gray");
											$jQ(this).fadeTo(500,1);
											$jQ("#frontText").html(t).show();
											})
			})

		homead_show();
		$jQ("#mask").click(function(){
			if(homead_links != null)
				window.open(homead_links[homead_i - 1]);
		});
	}

	function homead_show(){
		if (homead_i==$jQ("li.ddddd img").size()) homead_i = 0
		$jQ("li.ddddd img").eq(homead_i).click();
		homead_i++;
		setTimeout(homead_show,4500);
	}