function setGameTab(){
	//获取必要组件
	var games = document.getElementById("game_tab").getElementsByTagName("li");
	var gameTop = document.getElementById("game_top_bg");
	var gameLogo = document.getElementById("game_logo");
	var gameText = document.getElementById("game_textTD");
	
	//参数初始化
	var isIE = (document.all) ? true : false;
	var texts = new Array();
	texts[0] = "<a href=\"http://my.91.com\">《魔域》－－玩一人多宠，挑战群殴PK，成就终极霸业。</a>";
	texts[1] = "<a href=\"http://jz.91.com\">《机战》－－驰骋变形世界,无限力量，无限可能。</a>";
	texts[2] = "<a href=\"http://kx.91.com\">《开心》－－花样多一点，开心多一点，回合制Q版网游。</a>";
	texts[3] = "<a href=\"http://hlyx.91.com\">《幻灵游侠》－－似水柔情银霜地,栖月谷中定三生。</a>";
	texts[4] = "<a href=\"http://tmz.91.com\">《投名状OL》－－纳投名状，结兄弟谊，生死与共。</a>";
	texts[5] = "<a href=\"http://yx.91.com\">《英雄无敌OL》－－再现战棋类策略作战独特玩法。</a>";
	texts[6] = "<a href=\"http://zf.91.com\">《征服》－－戎马江湖，快意恩仇；铁血柔情，纵横四海。</a>";
	texts[7] = "<a href=\"http://xy.91.com\">《信仰》－－信仰的夜空，星光璀璨依然。</a>";
	var time = null;
	var tabNum = 1;
	var temp = null;
	var obj = null;
	var tabNumStr = null;
	
	//执行自动变化
	function AutoTurn(isTurn){
		tabNumStr = tabNum.toString();
		obj = (isIE) ? games[tabNum - 1].firstChild : games[tabNum - 1].childNodes[0];
		obj.src = "http://image.91.com/news91/images/chinajoy/2008/tab_on_" + tabNumStr + ".jpg";
		gameText.innerHTML = texts[tabNum - 1];
		gameTop.style.background = "url(http://image.91.com/news91/images/chinajoy/2008/character_" + tabNumStr + ".jpg) no-repeat";
		gameLogo.src = "http://image.91.com/news91/images/chinajoy/2008/logo_" + tabNumStr + ".gif";
		if(!isTurn){
			temp = (tabNum == 1) ? 8 : tabNum - 1;
			obj = (isIE) ? games[temp - 1].firstChild : games[temp - 1].childNodes[0];
			obj.src = "http://image.91.com/news91/images/chinajoy/2008/tab_off_" + temp.toString() + ".jpg";
			tabNum++;
			if(tabNum > 8){ tabNum = 1; }
			time = setTimeout(AutoTurn, 2000);
		}
	}
	
	//清除自动变化
	function stopAutoTurn(){
		tabNum = parseInt(this.id);
		setHidden();
		AutoTurn(true);
		clearTimeout(time);
	}
	
	//设置图片暗色
	function setHidden(){
		for(var i = 0; i < games.length; i++){
			obj = (isIE) ? games[i].firstChild : games[i].childNodes[0];
			obj.src = "http://image.91.com/news91/images/chinajoy/2008/tab_off_" + (i + 1).toString() + ".jpg";
		}
	}
	
	//事件加载
	for(var i = 0; i < games.length; i++){
		games[i].id = i + 1;
		games[i].onmouseover = stopAutoTurn;
		games[i].onmouseout = AutoTurn;
	}
	
	AutoTurn(false);
}

//设置底部切换
function setFootTab(){
	//注册className获取方式
	function $c(cl, obj){
		var retnode = [];
		var myclass = new RegExp('\\b'+cl+'\\b');
		var elem = document.getElementById("tab1").getElementsByTagName(obj);
		for (var j = 0; j < elem.length; j++) {
			var classes = elem[j].className;
			if (myclass.test(classes)) retnode.push(elem[j]);
		}
		return retnode;
	}
	
	var items = $c("cmsPicTable", "table");
	items[0].style.display = "block";
	
	//事件加载
	var num = 0;
	document.getElementById("footTab0").onmouseover = mouseover;
	document.getElementById("footTab1").onmouseover = mouseover;
	document.getElementById("footTab2").onmouseover = mouseover;
	function mouseover(){
		num = parseInt(this.id.replace("footTab",""));
		document.getElementById("footTab0").style.background = "url(http://image.91.com/news91/images/chinajoy/2008/tag_off_1.jpg)";
		document.getElementById("footTab1").style.background = "url(http://image.91.com/news91/images/chinajoy/2008/tag_off_2.jpg)";
		document.getElementById("footTab2").style.background = "url(http://image.91.com/news91/images/chinajoy/2008/tag_off_3.jpg)";
		this.style.background = "url(http://image.91.com/news91/images/chinajoy/2008/tag_on_" + (num + 1).toString() + ".jpg)";
		for(var i = 0; i < items.length; i++)
			items[i].style.display = "none";
		items[num].style.display = "block";
	}
}