function ClearTextBox(oControl)
{	
    //document.all["eNewsLetter_email"].value = "";
    oControl.value = "";
}

function EmailValidation(oControl)
{	
    var oEmail = oControl;
    //alert(oEmail.value);
    var ret = ValidateForm(oEmail);
    return ret;    
}

function checkemail(objControl)
{
    var val = objControl.value;
    //alert(val);
    var filter = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
    
    if (filter.test(val))
    {
        return true;
    }
    else
    {
        return false;
    }
}

function ValidateForm(EmailControl){
    
    if ((EmailControl.value==null)||(EmailControl.value=="")){
        alert("Please Enter your Email")
        EmailControl.focus();
        return false;
    }
    if (checkemail(EmailControl)==false){
        alert("Please input a valid email address!")
        //EmailControl.value="";
        EmailControl.focus();
        return false;
    }
    return true;
 }