/* Returns the source element of an event */
function sourceElement(e)
{
    if (window.event)
    {
        e = window.event;
    }

    return e.srcElement? e.srcElement : e.target;
}

/* Begin Copy Code */

function copyCode(key)
{
    var trElements = getTABLE(key).getElementsByTagName("tr");
    for(var i=0; i < trElements.length; ++i)
    {
        if(getTABLE(key) == getTABLE(trElements[i]) && getTR(key) != trElements[i])
        {
            window.clipboardData.setData("Text", trElements[i].innerText);
            break;
        }
    }
}

function getTR(obj)
{
    while(obj)
    {
        if(obj.tagName == "TR")
            return obj;
        else
            obj = obj.parentElement;
    }
}

function getTABLE(obj)
{
    while(obj)
    {
        if(obj.tagName == "TABLE")
            return obj;
        else
            obj = obj.parentElement;
    }
}

function changeCopyCodeIcon(key,highlight)
{
    var imageElements = document.getElementsByName("ccImage");

    for(var i=0; i<imageElements.length; ++i)
    {
        try
        {
            if(imageElements[i].parentElement == key)
            {
                if(highlight)
                {
                    imageElements[i].src = documentElement("copyHoverImage").src;
                }
                else
                {
                    imageElements[i].src = documentElement("copyImage").src;
                }
            }
        }
        catch(e)
        {
        }
    }
}

function copyCode_CheckKey(key)
{
    var e;

    if (window.event)
    {
        e = window.event;
    }

    if(e.keyCode == 13)
    {
        copyCode(key);
    }
}

/* End Copy Code */