var sTargetFrame = '';

function SwapImage(url)
{
    if (window.event.srcElement.tagName == "IMG" ) 
    {
        window.event.srcElement.src = url;    
    }
}


function CheckForm()
{
    var strErr = "";

    if (!CheckField(document.forms[0].realname))
        strErr = "Please enter your name";
    else if (!CheckField(document.forms[0].email))
        strErr = "Please enter your email address";

    if (strErr != "")
    {
        alert(strErr);
        return false;
    }
    else
        return true;
}


function CheckField (object) 
{
    if (object.value.length > 0)
        return true;
    else 
        return false;
}