var xmlhttp = false;
if (window.XMLHttpRequest) {
        xmlhttp = new XMLHttpRequest();
        xmlhttp.overrideMimeType('text/xml');
} else if (window.ActiveXObject) {
         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}
function buscar() {
	var year = document.getElementById('year').value;
	var buscar = document.getElementById('txtbuscar').value;
		if (buscar=='') { buscar=' '; }
	if(buscar!=="") {
		document.getElementById('salida').innerHTML = "Searching..."; 
		var url = 'MostrarSintesis.php?buscar=' + buscar + '&year=' + year;
		xmlhttp.open('GET', url, true);
		xmlhttp.onreadystatechange = function() {
			if(xmlhttp.readyState == 4 && xmlhttp.status == 200) {
			document.getElementById('salida').innerHTML = xmlhttp.responseText;
			} else {
			document.getElementById('salida').innerHTML = 'Realizando busqueda ...!';
			}
		};
		document.getElementById('salida').innerHTML = "Searching... " + url;
		xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlhttp.send(null);  
	}
}

function busAcervo() {
	var buscar = document.getElementById('buscar').value;
	if(buscar!=="") {
		document.getElementById('salida').innerHTML = "Searching...";
		var url = 'busAcervo.php?buscar=' + buscar;
		xmlhttp.open('GET', url, true);
		xmlhttp.onreadystatechange = function() {
			if(xmlhttp.readyState == 4 && xmlhttp.status == 200) {
			document.getElementById('salida').innerHTML = xmlhttp.responseText;
			} else {
			document.getElementById('salida').innerHTML = 'Realizando busqueda ...!';
			}
		};
		xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlhttp.send(null);  
	}
}
function resumenSintesis() {
	var year = document.getElementById('year').value;
	var month = document.getElementById('month').value;
	if(year!=="") {
		document.getElementById('salida').innerHTML = "Searching2... " + year + ' Mes ' + month;
		var url = 'resumen_sintesis.php?year=' + year + '&month=' + month;
		xmlhttp.open('GET', url, true);
		xmlhttp.onreadystatechange = function() {
			if(xmlhttp.readyState == 4 && xmlhttp.status == 200) {
				document.getElementById('salida').innerHTML = xmlhttp.responseText;
			} else {
				document.getElementById('salida').innerHTML = 'Espere ...';
			}
		};
		document.getElementById('salida').innerHTML = "Searching1... " + url;
		xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlhttp.send(null);  
	}
}
function matAcervoX(targetId,url,params) {
		target= document.getElementById(targetId);
		target.innerHTML = '<p>Procesando...</p>';
		var myConn = new XHConn();
		if (!myConn) alert("Upssss... XMLHTTP no esta disponible");
		var query = function (oXML) {  target.innerHTML = oXML.responseText; };
		myConn.connect(url, "GET", params, query);
}