function loadFreight() {
  $('#freightcost').html('Loading <img src="http://media.hertzfurniture.com/js/loading.gif"/>');
  zip 	   	 = $('#zip').val();
  model_no   = $("#model_no").val();
  unit_price = $("span.main_price").text().split('$')[1];
  quantity   = $('#quantity').val()
		    
  var freight_url;
  freight_url = '/includes/presentation/popup_freight.php'
  + '?zip='		 + zip 
	+ '&model_no='   + model_no
	+ '&unit_price=' + unit_price
	+ '&quantity='   + quantity;
  $('#freightcost').load(freight_url);
  this.blur();
  return false;
} 

$(document).ready(function() {
	$('#freightCheck').click(loadFreight);
});