// them dong url
function addLine()
{
    var XML = getAjaxCore();
    
    XML.onreadystatechange  = function()
    {
        if(XML.readyState == 4)
        {
            showTAB(tab_use);
        }
    }
    
    // sending information
    var url = 'Ajax_script/addLine.ajax.php?tmp={random}&tabid={tabid}';
    url     = url.replace('{random}', Math.random());
    
    if(tab_use == '' || tab_use == null) tab_use = 'n';
    url     = url.replace('{tabid}', encodeURIComponent(tab_use));
    
    XML.open('GET', url, true);
    XML.send(null);
    
    
}


// xoa dong url
function delLine()
{
    var XML = getAjaxCore();
    
    XML.onreadystatechange  = function()
    {
        if(XML.readyState == 4)
        {
            showTAB(tab_use);
        }
    }
    
    // sending information
    var url = 'Ajax_script/delLine.ajax.php?tmp={random}&tabid={tabid}';
    url     = url.replace('{random}', Math.random());
    
    if(tab_use == '' || tab_use == null) tab_use = 'n';
    url     = url.replace('{tabid}', tab_use);
    
    XML.open('GET', url, true);
    XML.send(null);
    
    
}