//var $ = function(id) { return document.getElementById(id) || null; }

function same_as_billing() {
    if ($("#chkBilling").is(":checked"))
    {
        $("[id*='_txtShipFirstName']").val($("[id*='_txtBillFirstName']").val());
        $("[id*='_txtShipLastName']").val($("[id*='_txtBillLastName']").val());
        $("[id*='_txtShipAddress1']").val($("[id*='_txtBillAddress1']").val());
        $("[id*='_txtShipAddress2']").val($("[id*='_txtBillAddress2']").val());
        $("[id*='_txtShipCity']").val($("[id*='_txtBillCity']").val());
        $("[id*='_txtShipZip']").val($("[id*='_txtBillZip']").val());
        $("[id*='ddlShipState']").val($("[id*='ddlBillState']").val());
	}
	else 
	{
	    $("[id*='_txtShipFirstName']").val('');
	    $("[id*='_txtShipFirstName']").val('');
	    $("[id*='_txtShipLastName']").val('');
	    $("[id*='_txtShipAddress1']").val('');
	    $("[id*='_txtShipAddress2']").val('');
	    $("[id*='_txtShipCity']").val('');
	    $("[id*='_txtShipZip']").val('');
	    $("[id*='ddlShipState']").val('( Select State )');
	}
}