function isEmailFieldOk ( AsEmail )
{
    var icount = 0 ; 
    var percount = 0 ; 
    var bResult = false ; 
    var emailLen = AsEmail.length;
    var temp = "" ; 
  

    for ( var i = 0 ; i < emailLen; i++ )
    {
        temp = AsEmail.charAt(i) ;
	if ( temp == "@" ) 
            icount++ ; 
	
	if ( temp == "." )
	    percount++;	
    }

    if ( (icount == 1) && (percount > 0))
        bResult = true ;
	

    return bResult ;
}


/*******************************************************************
   Given a form, we validate the specific named fields in that form. 
   the field names must match what we are looking for below.

   for validation we are really only looking at 3 fields
   		- name
   		- email
   		- email verification

*******************************************************************/
function validateFields ( Aform )
{
    var sfield ;
    var bResult = true ; 

    // check the name.
    sfield = Aform.fld_name.value ; 
    if ( sfield.length == 0 )
    {
        alert ("Your Name must be entered.") ;
        Aform.fld_name.focus() ;
        bResult = false ; 
        return bResult ; 
    }

    // check email fields
    sfield = Aform.fld_emailaddress.value ;     
    if ( sfield.length == 0 )
    {
        alert("An Email address must be entered.");
        Aform.fld_emailaddress.focus();
        bResult = false ; 
        return bResult ; 
    }


    sfield = Aform.fld_emailaddress.value ;     	   	   
    if (isEmailFieldOk ( sfield ) == false)
    {
        bResult = false ;
        alert ("The Email address you have entered is not valid.");
        Aform.fld_emailaddress.focus();
        return bResult ; 
    }

    // check the email is ok.
    sfield = Aform.fld_emailconfirm.value ; 
    if ( sfield.length == 0 )
    {
        alert("Please Confirm your Email address.");
        Aform.fld_emailconfirm.focus();
        bResult = false ; 
        return bResult ; 
    }


    sfield = Aform.fld_emailconfirm.value ; 
    if (isEmailFieldOk ( sfield ) == false)
    {
        bResult = false ;
        alert ("The Confirmation address you have entered is not valid.");
        Aform.fld_emailconfirm.focus();
        return bResult ; 
    }


    var em1 = Aform.fld_emailaddress.value;
    var emv = Aform.fld_emailconfirm.value;

    if (em1 != emv)
    {
        bResult = false;
        alert("The Email address does not match the Confirmation address");
        Aform.fld_emailaddress.focus();
        return bResult;
    }

    // if all ok, then submit page to asp page.		
    if ( bResult == true )
    {
        Aform.submit();
        // alert("Fake Submitting");
    }
    
    return bResult ;

}