function next_level(div_id, lingua) {

	function createRequestObject() {
		var ro;
		var browser = navigator.appName;
		if(browser == "Microsoft Internet Explorer"){
			ro = new ActiveXObject("Microsoft.XMLHTTP");
		}else{
			ro = new XMLHttpRequest();
		}
		return ro;
	}
	
	var http = createRequestObject();
	
		my_sub = document.getElementById('gallery').value;
	
		var url ='http://www.housebrokergroup.it/inc/sub_gallery.php?param='+my_sub+'&lingua='+lingua;
		http.open('get', url);
		http.onreadystatechange = function () {
										if(http.readyState == 4){
																				
											var response = http.responseText+'<br>';
											var update = new Array();
									
												update = response;
													document.getElementById(''+div_id+'').innerHTML = response;
											
										}
									}
		http.send(null);
}