// JavaScript Document
						
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";
                                
                                
}