var MDelayTime = 100;
var waitInterval;

function GetObj(objName)
{
    if (document.getElementById)
    {
        return eval('document.getElementById("' + objName + '")');
    }
    else if (document.layers)
    {
        return eval("document.layers['" + objName + "']");
    }
    else
    {
        return eval('document.all.' + objName);
    }
}

function ChangeChannel(group, index)
{
    waitInterval = window.setTimeout("getShowTopTab('" + group + "', " + index + ");", MDelayTime);
}

function getShowTopTab(group, index)
{
    clearTimeout(waitInterval);
    for (var i = 0; i < 6; i++)
    {
        /* 最多支持5个标签 */
        if (GetObj(group + i))
        {
            GetObj(group + i).className = "kx_table_defautl";
            GetObj(group + "Text" + i).style.display = 'none';
        }
    }
    if (GetObj(group + index))
    {
        GetObj(group + index).className = "kx_table_over";
        GetObj(group + "Text" + index).style.display = 'block';
    }
}