doSearchOrder = function(){
			var orderNo = $("#order_no_search").val();			
			var params = {};
			params["order_no"] = orderNo;
			params["_action"] = "search";
			$("#order_form").html("<div><img src='/lib/ajax-loader.gif' border='0'></div>").load("orders_tracker.php", params, function(){ });
		}

		LoadTracker = function(){
			 $('#order_tracker').load("orders_tracker.php");
		}
		
		UpdateProof = function(order_no){			
			$("#proof_container").html("<span class='loading'><img src='/lib/ajax-loader.gif' border='0'></span>");
			$.ajax({
			   url: "orders_tracker.php",
			   data: { '_action': 'proof', 'order_no':order_no },
			   success: function(msg){
					if(msg.indexOf("OK")===0){
						$("#proof_received_y").attr("src","/lib/checked.gif");
						$("#proof_received_n").attr("src","/lib/unchecked.gif");
						$(".proof_choice").remove();
						
					} else if(msg.indexOf("ERROR")===0) {
						$("#proof_container").html("<span class='error'>" + msg + "</span>");
					}
			   }
			 });
			return false;
		}