function tab(id){
	var selector="#"+id;
	var $layout=$(selector);
	if($layout.size()==0)
		return;

	var containercontent = $layout.children("div[class=containercontent]");
	if(containercontent.size()>0){		
		selector+=">div[class=containercontent]";	
	}else{
		var border = $layout.children("div[class^=border_]");
		if(border.size()>0)		
			selector+=" div[class=containercontent]:first";	
	}
	
	var eventtype="click";
	$tabhead=$(selector+">ul>li");
	var layoutclass=$layout.attr("class");
	if(layoutclass && layoutclass.indexof("_mouseover")!=-1){
		eventtype="mouseover";
		$tabhead.click(function(e){e.preventdefault();});
	}
	
	$tabhead.bind(eventtype,function(e){
		e.preventdefault();

		if(!$("#"+id).hasclass("tabboxid")){
			$("#"+id).addclass("tabboxid");
		}

		if(!$(this).parent().hasclass("tabhead"))
			$(this).parent().addclass("tabhead");
		
		//tab
		$(selector+">ul>li").attr("class","multipagetab_link");
		$(this).attr("class","multipagetab_hover");
		
		//content area
		var i=$(selector+">ul>li").index($(this));
		$(selector+">div[class!=clear]").attr("class","tabarea_b").eq(i).attr("class","tabarea_a");
	});	
	//init select tab 
	var auto_i = "";
	var hs = window.location.hash;
	//针对url后面带非法参数进行过滤http://www.kaifa3.com/#"><img src=1 onerror=alert(5)>
	var ischar="0";
	if(hs.indexof('<')!=-1 || hs.indexof('>')!=-1 || hs.indexof('alert')!=-1 || hs.indexof('error')!=-1)
	{
		ischar="1";
	}
	if(hs && hs.length>1 && ischar=="0"){
		hs = hs.substring(1);//get anchor id
		if($("#"+id+" #"+hs).length>0 && hs.indexof(id)>=0){
			//get anchor index'
			var s = hs.indexof(id);
			auto_i = hs.substring(s+id.length+4);
		}
	}
	if(parseint(auto_i) && auto_i>1){
		$(selector+">ul>li").eq(parseint(auto_i)-1).trigger(eventtype);
	}else{
		$(selector+">ul>li").eq(0).trigger(eventtype);
	}
}