$(function() {
	$("#snav>ul>li").hover(function() {
		$(this).addClass("sfhover");
		$("#snav ul ul").slideUp("fast");
		$(this).find("a:first").animate({"top": "12px"},"fast");
		$(this).find("span").animate({"top": "-30px"},"fast");
		if (!$(this).find("ul").is(":animated")) $(this).find("ul").slideDown("fast")
	},
	function() {
		$(this).removeClass("sfhover");
		$(this).find("a:first").animate({"top": "0px"},"fast");
		$(this).find("span").animate({"top": "0px"},"fast");
		if (!$(this).find("ul").is(":animated")) $(this).find("ul").slideUp("fast");
		$("#snav ul ul").slideUp("fast")
	})
});


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";
	
	
}



//懒人图库 www.lanrentuku.com