function setShippingInfo(isChecked){
	with (window.document.frmCheckout) {
		if (isChecked) {
			shipfirstname.value  	= firstname.value;
			shiplastname.value   	= lastname.value
			shipaddress.value   	= address.value;
			shipaddress2.value   	= address2.value;
			shipcity.value   	= city.value;
			initCountry2(country.value,province.value);			
			shippostalcode.value	= postalcode.value;
			
			shipfirstname.readOnly  = true;
			shiplastname.readOnly   = true;
			shipaddress.readOnly   	= true;
			shipaddress2.readOnly  	= true;
			shipcity.readOnly   	= true;
			shipcountry.readOnly   	= true;
			shipprovince.readOnly  	= true;			
			shippostalcode.readOnly	= true;
		} else {
			shipfirstname.readOnly  = false;
			shiplastname.readOnly   = false;
			shipaddress.readOnly   	= false;
			shipaddress2.readOnly   = false;
			shipcity.readOnly   	= false;
			shipcountry.readOnly   	= false;
			shipprovince.readOnly  	= false;			
			shippostalcode.readOnly	= false;		
		}
	}
}

/*
Strip whitespace from the beginning and end of a string
Input : a string
*/
function trim(str){
	return str.replace(/^\s+|\s+$/g,'');
}

/*
Make sure that textBox only contain number
*/
function checkNumber(textBox){
	while (textBox.value.length > 0 && isNaN(textBox.value)) {
		textBox.value = textBox.value.substring(0, textBox.value.length - 1)
	}
	
	textBox.value = trim(textBox.value);
/*	if (textBox.value.length == 0) {
		textBox.value = 0;		
	} else {
		textBox.value = parseInt(textBox.value);
	}*/
}

/*
	Check if a form element is empty.
	If it is display an alert box and focus
	on the element
*/
function isEmpty(formElement, message) {
	formElement.value = trim(formElement.value);
	
	_isEmpty = false;
	if (formElement.value == '') {
		_isEmpty = true;
		alert(message);
		formElement.focus();
	}
	
	return _isEmpty;
}

/*
	Set one value in combo box as the selected value
*/
function setSelect(listElement, listValue){
	for (i=0; i < listElement.options.length; i++) {
		if (listElement.options[i].value == listValue)	{
			listElement.selectedIndex = i;
		}
	}	
}