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="#636363";
        document.getElementById(tag_memory).style.cursor = "hand";
        document.getElementById(tag_memory).style.border="solid 0px;";
    }
    tag_memory=id;
    document.getElementById(id).style.fontWeight="500";
    document.getElementById(id).style.color="#636363";
    document.getElementById(id).style.cursor = "default";
    document.getElementById(id).style.border="1px solid #F65306";

    var tag_content_name="tag_content"+id.substr((id.length-1),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="";
}