// JavaScript Document
    var map      = null;
    var geocoder = null;
	var latitud  = null;
	var longitud = null;

    function inicia_mapa(x,y) {     
		                                 
      if (GBrowserIsCompatible()) {						   
        map = new GMap2(document.getElementById("map")); 
        
        map.setCenter(new GLatLng(x,y), 3);        
        map.addControl(new GSmallMapControl());
	  // 	map.addControl(new GMapTypeControl());
	       
        geocoder = new GClientGeocoder();

		//----------------------------------//
		//	 CREAR MARCAS DE LA BD			//
		//----------------------------------//
	function createInfoMarker(point,iddelegacion) {
	var marker = new GMarker(point);
	// cargamos el contenido del detalle dentro de un iframe para solucionar el bug de Explorer con el z-index de los desplegables
	GEvent.addListener(marker, "mouseover", function() { ddrivetip('<div id=\'div_detalle_mapa\' align=\'center\'><IFRAME name=\'f_detalles\' id=\'f_detalles\' frameborder=0 scrolling=no marginwidth=0 src=\'detalles_mapa.php?iddelegacion='+iddelegacion+'\' marginheight=0 width=200 height=10></iframe></div>');} );
	GEvent.addListener(marker, "mouseout", function() { hideddrivetip(); } );
	return marker;
	}

	var urlstr="xml_delegaciones.php";
	var request = GXmlHttp.create();
	request.open("GET", urlstr, true);
	request.onreadystatechange = function() {
		if (request.readyState == 4) {
		var xmlDoc = request.responseXML;
		var markers = xmlDoc.documentElement.getElementsByTagName("marca");
			for (var i = 0; i < markers.length; i++) {
			var point = new GPoint(parseFloat(markers[i].getAttribute("longitud")), parseFloat(markers[i].getAttribute("latitud")));
			/*var address = '<table width=\"182\" height=\"90\" border=\"0\" class=\"borde_tabla_azul\" bgcolor=\"#FFFFCC\"><tr><td height=\"18\" bgcolor=\"#4D6DA8\" class=\"txt2 Estilo1\"><div align=\"center\">'+markers[i].getAttribute("localidad")+'</div></td></tr><tr><td class=\"txt2\"><div align=\"center\">'+markers[i].getAttribute("nom_tipo")+' en venta: <span class=\"Estilo4\">'+markers[i].getAttribute("inmuebles_venta")+'</span></div></td></tr><tr><td class=\"txt2\"><div align=\"center\">'+markers[i].getAttribute("nom_tipo")+' en alquiler: <span class=\"Estilo4\">'+markers[i].getAttribute("inmuebles_alquiler")+'</span> </div></td></tr><tr><td class=\"txt2\"><div align=\"center\">Precio medio venta: <span class=\"Estilo4\">'+markers[i].getAttribute("precio_medio")+' €</span> </div></td></tr></table>';
			var address = 'prueba'; */
			var marker = createInfoMarker(point,markers[i].getAttribute("iddelegacion"));
			// Para mover las marcas 
//			var marker = new GMarker(point, {draggable: true});
			//var marker = new GMarker(point);
			map.addOverlay(marker);
       		}
			
    	 }
	}
 	 request.send(null);
	
	

      } 
    }   

    function showAddress(address, zoom) {
    	if (geocoder) {
        	geocoder.getLatLng(address,
          		function(point) {
            		if (!point) {
            			alert(address + " no encontrada");
            		} else {
            			map.setCenter(point, zoom);
						               		}
               	}
        	);
      	}}

// Gerenador de etiquetas ALT--------------------------------------------

var offsetfromcursorX=12 //Customize x offset of tooltip
var offsetfromcursorY=10 //Customize y offset of tooltip

var offsetdivfrompointerX=10 //Customize x offset of tooltip DIV relative to pointer image
var offsetdivfrompointerY=14 //Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1).

document.write('<div id="dhtmltooltip"></div>') //write out tooltip DIV
document.write('<img id="dhtmlpointer" src="http://www.estruagua.com/img/arrow2.gif">') //write out pointer image

var ie=document.all
var ns6=document.getElementById && !document.all
var enabletip=false
if (ie||ns6)
var tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : ""

var pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : ""

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function ddrivetip(thetext, thewidth, thecolor){
if (ns6||ie){
if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px"
if (typeof thecolor!="undefined" && thecolor!="") tipobj.style.backgroundColor=thecolor
tipobj.innerHTML=thetext
enabletip=true
return false
}
}

function positiontip(e){
if (enabletip){
var nondefaultpos=false
var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;
//Find out how close the mouse is to the corner of the window
var winwidth=ie&&!window.opera? ietruebody().clientWidth : window.innerWidth-20
var winheight=ie&&!window.opera? ietruebody().clientHeight : window.innerHeight-20

var rightedge=ie&&!window.opera? winwidth-event.clientX-offsetfromcursorX : winwidth-e.clientX-offsetfromcursorX
var bottomedge=ie&&!window.opera? winheight-event.clientY-offsetfromcursorY : winheight-e.clientY-offsetfromcursorY

var leftedge=(offsetfromcursorX<0)? offsetfromcursorX*(-1) : -1000

//if the horizontal distance isn't enough to accomodate the width of the context menu
if (rightedge<tipobj.offsetWidth){
//move the horizontal position of the menu to the left by it's width
tipobj.style.left=curX-tipobj.offsetWidth+"px"
nondefaultpos=true
}
else if (curX<leftedge)
tipobj.style.left="5px"
else{
//position the horizontal position of the menu where the mouse is positioned
tipobj.style.left=curX+offsetfromcursorX-offsetdivfrompointerX+"px"
pointerobj.style.left=curX+offsetfromcursorX+"px"
}

//same concept with the vertical position
if (bottomedge<tipobj.offsetHeight){
tipobj.style.top=curY-tipobj.offsetHeight-offsetfromcursorY+"px"
nondefaultpos=true
}
else{
tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px"
pointerobj.style.top=curY+offsetfromcursorY+"px"
}
tipobj.style.visibility="visible"
if (!nondefaultpos)
pointerobj.style.visibility="visible"
else
pointerobj.style.visibility="hidden"
}
}

function hideddrivetip(){
if (ns6||ie){
enabletip=false
tipobj.style.visibility="hidden"
pointerobj.style.visibility="hidden"
tipobj.style.left="-1000px"
tipobj.style.backgroundColor=''
tipobj.style.width=''
}
}

document.onmousemove=positiontip

function redimensiona()
{
  var altura=document.getElementById('f_detalles').contentWindow.document.body.scrollHeight;
  document.getElementById('f_detalles').height=altura;
//  document.getElementById('div_detalle_mapa').style.height=altura;
}