function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_openBrWindow(theURL,winName,features) { 
  window.open(theURL,winName,features);
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//<![CDATA[

    function load() {
      if (GBrowserIsCompatible()) {

        var map = new GMap2(document.getElementById("map"));
	map.setCenter(new GLatLng(41.64045,-0.89865),16, G_HYBRID_MAP);
 	map.addControl(new GMapTypeControl());
	map.addControl(new GSmallMapControl());

	// ====== set up marker mouseover tooltip div ======
	var tooltip = document.createElement("div");
	document.getElementById("map").appendChild(tooltip);
	tooltip.style.visibility = "hidden";

	function showTooltip(marker, tooltip) {
	    tooltip.innerHTML = marker.tooltip;
	    var point = map.getCurrentMapType().getProjection().fromLatLngToPixel(map.getBounds().getSouthWest(),map.getZoom());
	    var offset = map.getCurrentMapType().getProjection().fromLatLngToPixel(marker.getPoint(),map.getZoom());
	    var anchor = marker.getIcon().iconAnchor;
	    var width = marker.getIcon().iconSize.width;
	    var pos = new GControlPosition(G_ANCHOR_BOTTOM_LEFT, new GSize(offset.x - point.x - anchor.x + width,- offset.y + point.y +anchor.y)); 
	    pos.apply(tooltip);
	    tooltip.style.visibility="visible";
	}

	// Creates a marker at the given point with the given number label
	function creaMarker(punto, nombre, tooltip) {
	  var marker = new GMarker(punto);
	    marker.tooltip = '<div class="tooltip">'+nombre+'</div>';
	    GEvent.addListener(marker, "click", function() {
		marker.openInfoWindow(nombre);
	    });
	    //  ======  The new marker "mouseover" and "mouseout" listeners  ======
	    GEvent.addListener(marker,"mouseover", function() {
		showTooltip(marker, tooltip);
	    });        
	    GEvent.addListener(marker,"mouseout", function() {
		tooltip.style.visibility="hidden"
	    });  

	  return marker;
	}

	map.addOverlay(creaMarker(new GLatLng(41.6381,-0.9013), "Auditorio", tooltip));
	map.addOverlay(creaMarker(new GLatLng(41.6377,-0.9008), "Sala Multiusos", tooltip));
	map.addOverlay(creaMarker(new GLatLng(41.6419,-0.9055), "EU Estudios Sociales", tooltip));
	map.addOverlay(creaMarker(new GLatLng(41.6408,-0.9002), "Instituto de Ciencias de la Educacisn (ICE)", tooltip));
	map.addOverlay(creaMarker(new GLatLng(41.6428,-0.8993), "Facultad de Ciencias-Edificio Matematicas", tooltip));
      }
    }
    //]]>