//validate upload form
function isValidEmailAddress(email)
{    
    var emailReg = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;   
    return (emailReg.test(email));     
}

function validateUpload()
{
    var myForm = document.frmUpload
    
    if (myForm.videoCaption.value == "")
    {
        alert("Please enter a caption for your video.");
        return false;
    }
    else if (!isValidEmailAddress(myForm.email.value))
    {
        alert("Please enter a valid email address.");
        return false;
    }
    
    return true;
}