function setshowTab(m,n){
var tli=document.getElementById("tag").getElementsByTagName("li");
var mli=document.getElementById("tag_content").getElementsByTagName("div");
for(i=0;i<tli.length;i++){
tli[i].className=i==n?"show_tag_choose":"show_tag_nochoose";
mli[i].style.display=i==n?"block":"none";
}
}

function sethelpTab(n){
var tli=document.getElementById("tag").getElementsByTagName("span");
for(i=0;i<tli.length-1;i++){
document.getElementById("tag"+i).className=i==n?"help_list_close":"help_list_open";
document.getElementById("tag_content"+i).style.display=i==n?"block":"none";
}
}