//普通产品目录
var aaa = document.getElementsByTagName('div');
	var j =0;
	for(i=0;i<aaa.length;i++)
	{
		if(aaa[i].id.indexOf('submenu_')>-1 && j ==0 )		{
			aaa[i].style.display = '';
			break;
		}
	}function showsubmenu(sid)
{
	var aaa = document.getElementsByTagName('div');
	var j =0;
	for(i=0;i<aaa.length;i++)
	{
		if(aaa[i].id.indexOf('submenu_')>-1)			aaa[i].style.display = 'none';
	}	var bbb = document.getElementById("submenu_" + sid );
	bbb.style.display= '';
}
$(document).ready(function(){
 	$(".flbig").first().addClass('on');
});
$(".flbig").hover(function(){
	 $('.flbig').removeClass('on');
    $(this).addClass('on');
},function(){
});
function selectTag(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("tags").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTag";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
}