var xmlHttp;

function GetXmlHttpObject(){
	var xmlHttp=null;
	try{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}catch(e){
		// Internet Explorer
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e){}
		}
	}
	return xmlHttp;
}

function sendMap(w){
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Tu navegador no soporta AJAX! No podras usar esta aplicación.");
		return;
	}

	var url="sendNewMap.php";
	var Value="whatType="+w;
	if(w=="sendMail"){
		Value+="&Lugar="+document.sendMapInfo.Lugar.value;
		Value+="&Comentario="+document.sendMapInfo.Comentario.value;
	}

	xmlHttp.onreadystatechange=function(){
		if(xmlHttp.readyState==1){
			document.getElementById("addMap").innerHTML="";
			img = document.createElement('img');
			img.src="images/ajaxLoading.gif";
			document.getElementById("addMap").appendChild(img);
			document.getElementById("addMap").appendChild(document.createTextNode(" Cargando por favor espere..."));
		}
		else if (xmlHttp.readyState==4){
			document.getElementById("addMap").innerHTML="";
			document.getElementById("addMap").innerHTML=xmlHttp.responseText;
		}
	}

	xmlHttp.open("POST",url,true);
    xmlHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	xmlHttp.send(Value);
}

function closeDiv(){
	document.getElementById("addMap").innerHTML="";
}