var tag_memory="";
var tag_memory_name="";
function change_tag(id) {
    if (tag_memory!="") {
        document.getElementById(tag_memory).style.fontWeight="900";
        document.getElementById(tag_memory).style.color="#5C5C5C";
        document.getElementById(tag_memory).style.cursor = "hand";
        document.getElementById(tag_memory).style.background="url('/images/btn_bg.gif')";
        document.getElementById(tag_memory).style.borderBottom="solid 1px;";
    }
    tag_memory=id;
    document.getElementById(id).style.fontWeight="900";
    document.getElementById(tag_memory).style.color="#0F5DAB";
    document.getElementById(id).style.cursor = "default";
    document.getElementById(id).style.background="url('/images/btn_select.gif')";
    document.getElementById(id).style.borderBottom="solid 0px;";

    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="";
}