var tag_memory="";
var tag_memory_name="";
function change_tag(id) {
    if (tag_memory!="") {
        //document.getElementById(tag_memory).style.fontWeight="500";
        //document.getElementById(tag_memory).style.color="#666666";
        //document.getElementById(tag_memory).style.cursor = "hand";
        //document.getElementById(tag_memory).style.background="url('/images/btn_bg1.gif')";
    }
    tag_memory=id;
    //document.getElementById(id).style.fontWeight="500";
    //document.getElementById(id).style.color="#0860A8";
    //document.getElementById(id).style.cursor = "default";
    //document.getElementById(id).style.background="url('/images/btn_select1.gif')";

    var ids=id.split("_");
    var tag_content_name="tag_content"+ids[1];
    if (tag_memory_name!="") {
        document.getElementById(tag_memory_name).style.display="none";
    }
    tag_memory_name=tag_content_name;
    document.getElementById(tag_content_name).style.display="";
}