$(function() {
	$("#regionselect").bind("change", function(event) {
		var HttpRequest = doHttpRequest();
		var HTMLId = "productspan";
		var land = event.target.value;
		var url = "/productgrouplist.php?Id="+land;

		HttpRequest.onreadystatechange = function() { 
		   if (HttpRequest.readyState == 4) { 
			   if (HttpRequest.status == 200) { 
					document.getElementById('productblok').style.visibility = 'visible';
					document.getElementById(HTMLId).innerHTML = HttpRequest.responseText;
					$("#productselect").bind("change", function(event) {
						var HttpRequest = doHttpRequest();
						var HTMLId = "animalspan";
						var url = "/animalgrouplist.php?l="+land+"&Id="+this.value;

						HttpRequest.onreadystatechange = function() { 
						   if (HttpRequest.readyState == 4) { 
							   if (HttpRequest.status == 200) {	
									document.getElementById('animalblok').style.visibility = 'visible';
									document.getElementById(HTMLId).innerHTML = HttpRequest.responseText;
							   } else { 
								   alert('There was a problem with the request.(Code: ' + HttpRequest.status + ')'); 
							   } 
						   } 
						}
						HttpRequest.open('GET', url, true);
						HttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
						HttpRequest.send(null); 
					});
			   		$("#productselect").trigger("change");
			   } else { 
				   alert('There was a problem with the request.(Code: ' + HttpRequest.status + ')'); 
			   } 
		   } 
		}
		HttpRequest.open('GET', url, true);
		HttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		HttpRequest.send(null); 
	});
});


function doHttpRequest() {

   var http_request = false; 

   if (window.XMLHttpRequest) { // Mozilla, Safari,... 
       http_request = new XMLHttpRequest(); 
       if (http_request.overrideMimeType) { 
           http_request.overrideMimeType('text/xml'); 
       } 
   } else if (window.ActiveXObject) { // IE 
       try { 
           http_request = new ActiveXObject("Msxml2.XMLHTTP"); 
       } catch (e) { 
           try { 
               http_request = new ActiveXObject("Microsoft.XMLHTTP"); 
           } catch (e) {} 
       } 
   } 

   if (!http_request) { 
       alert('Unfortunatelly you browser doesn\'t support this feature.'); 
       return false; 
   } 

   return http_request;

}

function addLoadEvent(func) {

	var oldonload = window.onload;
	if(typeof window.onload != "function") {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

$(document).ready(
	function(){
		$("#regionselect").trigger("change");
	}
);