function xmlhttp(){
		var xmlhttp;
		try{xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");}
		catch(e){
			try{xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");}
			catch(e){
				try{xmlhttp = new XMLHttpRequest();}
				catch(e){
					xmlhttp = false;
				}
			}
		}
		if (!xmlhttp) 
				return null;
			else
				return xmlhttp;
	}

function buscar(page){
		var query = document.getElementById('q').value;
		
		var sf = document.getElementById('sf').checked;		
		var sg = document.getElementById('sg').checked;
		var sssp = document.getElementById('sssp').checked;
		var sv = document.getElementById('sv').checked;
		
		var page;
		var p = page;
		
		var A = document.getElementById('resultados');
		var B = document.getElementById('load');
		var ajax = xmlhttp();

		ajax.onreadystatechange=function(){
				if(ajax.readyState==1){
						B.innerHTML = "<img src='./new_img/loading.gif' alg='Loading...'>";
					}
				if(ajax.readyState==4){
						A.innerHTML = ajax.responseText;
						B.innerHTML = "";
					}
			}
		
		ajax.open("GET","./new_inc/search/searchg2.php?q="+encodeURIComponent(query)+"&page="+p+"&sf="+sf+"&sg="+sg+"&sssp="+sssp+"&sv="+sv,true);
		
		
		ajax.send(null);
		return false;
	}