function v_currency_change(value, _pound_cost, _dollar_cost, _euro_cost, _yen_cost, _cad_cost, _aud_cost, discount, affcode)
{        
    var pound = html_entity_decode("£ ")
    var euro = html_entity_decode("€ ")
    var yen = html_entity_decode("¥ ")
    var dollar = "$ ";
    var cad = "$ ";
    var aud = "$ ";
    var pound_cost = _pound_cost;
    var dollar_cost = _dollar_cost;
    var euro_cost = _euro_cost;
    var yen_cost = _yen_cost;
    var cad_cost = _cad_cost;
    var aud_cost = _aud_cost;
    var disc_pound = Math.floor(discount*pound_cost)/100;
    var disc_euro = Math.floor(discount*euro_cost)/100;
    var disc_dollar = Math.floor(discount*dollar_cost)/100;
    var disc_yen = Math.floor(discount*yen_cost)/100;
    var disc_cad = Math.floor(discount*cad_cost)/100;
    var disc_aud = Math.floor(discount*aud_cost)/100;
    if (affcode == 1)
    {
        jQuery("#expiry_block").show();
        switch(value)
        {       
            default:
            case '1': 
                jQuery("#fee").val(pound + pound_cost);
                jQuery("#discount").val(pound + disc_pound);
                jQuery("#total").val(pound + (pound_cost-disc_pound).toFixed(2));
            break;
            case '2':
                jQuery("#fee").val(dollar + dollar_cost);
                jQuery("#discount").val(dollar + disc_dollar);
                jQuery("#total").val(dollar + (dollar_cost-disc_dollar).toFixed(2));
            break;
            case '3':
                jQuery("#fee").val(euro + euro_cost);
                jQuery("#discount").val(euro + disc_euro);
                jQuery("#total").val(euro + (euro_cost-disc_euro).toFixed(2));
            break;
            case '4':
                jQuery("#fee").val(yen + yen_cost);
                jQuery("#discount").val(yen + disc_yen);
                jQuery("#total").val(yen + (yen_cost-disc_yen).toFixed(2));
            break;            
            case '5':
                jQuery("#fee").val(cad + cad_cost);
                jQuery("#discount").val(cad + disc_cad);
                jQuery("#total").val(cad + (cad_cost-disc_cad).toFixed(2));
            break;            
            case '6':
                jQuery("#fee").val(aud + aud_cost);
                jQuery("#discount").val(aud + disc_aud);
                jQuery("#total").val(aud + (aud_cost-disc_aud).toFixed(2));
            break;            
        }        
    } else 
    {
    	jQuery("#discount").val('');
        switch(value)
        {       
            default:
            case '1': 
                jQuery("#fee").val(pound + pound_cost);                
                jQuery("#total").val(pound + pound_cost);
            break;
            case '2':
                jQuery("#fee").val(dollar + dollar_cost);                
                jQuery("#total").val(dollar + dollar_cost);
            break;
            case '3':
                jQuery("#fee").val(euro + euro_cost);                
                jQuery("#total").val(euro + euro_cost);
            break;
            case '4':
                jQuery("#fee").val(yen + yen_cost);                
                jQuery("#total").val(yen + yen_cost);
            break;
            case '5':
                jQuery("#fee").val(cad + cad_cost);                
                jQuery("#total").val(cad + cad_cost);
            break;
            case '6':
                jQuery("#fee").val(aud + aud_cost);                
                jQuery("#total").val(aud + aud_cost);
            break;                         
         }        
    }

}