// JavaScript Document

function checkEmailAFriend()
{
    var error_string = "";
	if (window.document.fFriend.sName.value == "")
    {
        error_string += "Please enter the name of your friend.\n";
    }
	if (window.document.fFriend.sEmail.value == "")
    {
        error_string += "Please enter the email address of your friend.\n";
    }
    if (error_string == "")
    {
       return true;
    } else {
        error_string = "Please Try Again: \n\n" + error_string;
        alert(error_string);
        return false;
    } 
}