function VerifyQuestionBox()
{
    var txtName = document.getElementById("questionbox_txt_name");
    var txtEmail = document.getElementById("questionbox_txt_email");
    var txtQuestion = document.getElementById("questionbox_txt_question");
    if(txtQuestion.value == "")
    {
        alert("Please enter your question!");
        txtQuestion.focus();
        return false;
    }
    if( txtName.value == "")
    {
        alert("Please enter your name!");
        txtName.focus();
        return false;
    }
    if(txtEmail.value == "")
    {
        alert("Please enter your email!");
        txtEmail.focus();
        return false;
    }
    var RegE = /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
    if(!RegE.test(txtEmail.value))
    {
        alert("Plase enter your correct email!");
        txtEmail.focus();
        return false;
    } 
}