var agt = navigator.userAgent.toLowerCase();
var is_ie = (agt.indexOf('msie') != -1);
var is_ie5 = (agt.indexOf('msie 5') != -1);

function CreateXmlHttpReq(handler) {
	var xmlhttp = null;
	if (is_ie) {
		var control = (is_ie5) ? "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP";

		try {
			xmlhttp = new ActiveXObject(control);
			xmlhttp.onreadystatechange = handler;
		} catch(e) {
			alert("Active Scripting e controles Activex devem estar habilitados");
		}

	} else {
		xmlhttp = new XMLHttpRequest();
		xmlhttp.onload = handler;
		xmlhttp.onerror = handler;
	}
	return xmlhttp;
}

function DummyHandler() { }

function XmlHttpGET(xmlhttp, url) {
	xmlhttp.open('GET', url, true);
	xmlhttp.send(null);
}

function SendRequest(url) {
	var xmlhttp = CreateXmlHttpReq(DummyHandler);
	XmlHttpGET(xmlhttp, url);
}

function XmlHttpResponse(xmlhttp, url) {
	xmlhttp.open('GET', url, false);
	xmlhttp.send(null);
	return xmlhttp.responseText;
}

function SendRequestResponse(url) {
	var xmlhttp = CreateXmlHttpReq(DummyHandler);
	return XmlHttpResponse(xmlhttp, url);
}

function mudaStatus(area, id){
	try {			
		var src_figura = document.getElementById('imgStatus' + id).src;
		if(src_figura.indexOf('delete') > 0){
			SendRequest("mudaStatus.php?a=" + area + "&s=1&id=" + id);
			document.getElementById('imgStatus' + id).src = "img/accept.gif";
			document.getElementById('imgStatus' + id).title = "Liberado";
		} else {
			SendRequest("mudaStatus.php?a=" + area + "&s=0&id=" + id);
			document.getElementById('imgStatus' + id).src = "img/delete.gif";
			document.getElementById('imgStatus' + id).title = "Bloqueado";
		}
	} catch ( Erro ) {
		alert( Erro.message );
	}	
}


function mudaStatusDestaque(area, id){
	try {			
		var src_figura = document.getElementById('imgStatusDestaque' + id).src;
		if(src_figura.indexOf('delete') > 0){
			SendRequest("mudaStatus.php?a=" + area + "&s=1&id=" + id);
			document.getElementById('imgStatusDestaque' + id).src = "img/accept.gif";
			document.getElementById('imgStatusDestaque' + id).title = "Liberado";
		} else {
			SendRequest("mudaStatus.php?a=" + area + "&s=0&id=" + id);
			document.getElementById('imgStatusDestaque' + id).src = "img/delete.gif";
			document.getElementById('imgStatusDestaque' + id).title = "Bloqueado";
		}
	} catch ( Erro ) {
		alert( Erro.message );
	}	
}