/*
 * expand_description() - do not limit the height of the product page description text
 * 
 * @returns null
 */
function expand_description() {
	$('#description').removeClass('description_fixed');
	$('#see_more a').attr('href','javascript: contract_description();');
	$('#see_more a').html('See less');
}

/*
 * contract_description() - limit back the height of the product page description text
 * 
 * @returns null
 */
function contract_description() {
	$('#description').addClass('description_fixed');
	$('#see_more a').attr('href','javascript: expand_description();');
	$('#see_more a').html('See more');
}