function ChangeShipping(obj)
{
    old_total = jQuery(".total_val").html();
    currencysymbol = old_total.substr(0,1);
    old_total = (old_total.substring(1) * 1);

    sub_total = old_total - (jQuery(".shipping_val").html().substring(1) * 1);
//    new_total = sub_total + shipping[obj.value];
    new_total = sub_total + shipping[jQuery(obj).attr("value")];
    if (jQuery("#shipping_0_postal").val().substr(0,1) == "1")
    {
		taxrate = tax / (old_total - tax);
        change = new_total - old_total;
        tax_change = taxrate * change;
        new_total = new_total + tax_change;
	tax = tax + tax_change;
         jQuery(".tax_val").html(currencysymbol + (tax_change+(jQuery(".tax_val").html().substring(1) * 1)).toFixed(2));
    }

var SubTotal=(jQuery("#OrderSubtotal").html().substring(1) * 1);
var OrderTax=(jQuery("#OrderTax").html().substring(1) * 1);
var OrderShipping=shipping[jQuery(obj).attr("value")];
var OrderDiscount=(jQuery("#OrderDiscount").html().substring(1) * 1);

var totalwithtax=((SubTotal+OrderShipping+OrderTax)+OrderDiscount);//parseFloat(new_total)+parseFloat(tax);
    //jQuery(".total_val").html(currencysymbol + new_total.toFixed(2));
jQuery(".total_val").html(currencysymbol + totalwithtax.toFixed(2));
//    jQuery(".shipping_val").html(currencysymbol + shipping[obj.value].toFixed(2));
    jQuery(".shipping_val").html(currencysymbol + shipping[jQuery(obj).attr("value")].toFixed(2));
//alert("id: "+jQuery(obj).attr('value')+"Value: "+jQuery(".shipping_val").html())
jQuery('#shipMethod').val(jQuery(obj).attr("value"));
}


function SetDefault(obj)
{
    old_total = jQuery(".total_val").html();
    currencysymbol = old_total.substr(0,1);
    old_total = (old_total.substring(1) * 1);


    sub_total = old_total - (jQuery(".shipping_val").html().substring(1) * 1);
//    new_total = sub_total + shipping[obj.value];
    new_total = sub_total + shipping[jQuery(obj).attr("value")];
    if (jQuery("#shipping_0_postal").val().substr(0,1) == "1")
    {
        //change =new_total - old_total;
        tax_change = tax;// * change;
        //new_total = new_total + tax_change;
         jQuery(".tax_val").html(currencysymbol + tax_change);
    }

var SubTotal=(jQuery("#OrderSubtotal").html().substring(1) * 1);
var OrderTax=(jQuery("#OrderTax").html().substring(1) * 1);
var OrderShipping=shipping[jQuery(obj).attr("value")];
var OrderDiscount=(jQuery("#OrderDiscount").html().substring(1) * 1);

var totalwithtax=((SubTotal+OrderShipping+OrderTax)+OrderDiscount);//parseFloat(new_total)+parseFloat(tax);
    //jQuery(".total_val").html(currencysymbol + new_total.toFixed(2));
jQuery(".total_val").html(currencysymbol + totalwithtax.toFixed(2));
//    jQuery(".shipping_val").html(currencysymbol + shipping[obj.value].toFixed(2));
    jQuery(".shipping_val").html(currencysymbol + shipping[jQuery(obj).attr("value")].toFixed(2));
//alert("id: "+jQuery(obj).attr('value')+"Value: "+jQuery(".shipping_val").html())
jQuery('#shipMethod').val(jQuery(obj).attr("value"));
}