function setStyleById(i, p, v) {
		var n = document.getElementById(i);	
		n.style[p]= v;
	}
	
	function clear_SA(){
		var obj = document.getElementById("safe_area");
		obj.innerHTML="";
	}

	function show_SA(){
		setStyleById("safe_area","display","block");
	}
	
	function hide_SA(){
		setStyleById("safe_area","display","none");
	}
	
	function add_SA_HtmlById(id){
		var n1 = document.getElementById(id);
		var n2 = document.getElementById("safe_area");
		
		n2.innerHTML=n1;		
	}

	function add_SA_HTML(html){
		var n2 = document.getElementById("safe_area");
		n2.innerHTML=html;		
	}

	
	//----------- GEOBLOG FUNCTION -----------//
	
	var submitTo='geoblog_getblog.php';
	var loading='<div style="width:auto; text-align:center; margin:10px;"><img src="loader.gif" width="32" border="0" /></div>';
	var loading_SA='<div style="position:absolute; top:50%; left:50%; margin:-50px 0 0 -50px;"><img src="loader2.gif" width="100" border="0" /></div>';
	var choosagb='<h2>Selezionare un GeoBlog</h2>';
	
	var map=null;
	var geocoder = null;
	var start_position=null;
		
	function dump (obj, dep) {
		var r = '';
		var dep = (typeof(dep) == 'number') ? ++dep : 0;
		var ind = '';
		for (var i = 0; i < dep; i++) { ind += '\t'; }
			for (var i in obj) {
				var is_obj = (typeof(obj[i]) == 'object');
				r += ind + '[' + i + '] : ';
				r += !is_obj ? obj[i] : '';
				r += '\n';
				r += is_obj ? arguments.callee(obj[i], dep) : '';
			}
		return r;
	}
	
	function chiudi_post(id){
		var obj=document.getElementById('geo_blog_'+id);
		obj.innerHTML="";	
	}
	
	function load() {
		var obj=document.getElementById('blog'); 
		obj.innerHTML = choosagb;  
			
		if (GBrowserIsCompatible()) {
			map = new GMap2(document.getElementById("map"));
			map.addControl(new GLargeMapControl());
			map.addControl(new GMapTypeControl());
			geocoder = new GClientGeocoder();	
			//map.enableScrollWheelZoom();
			map.disableDoubleClickZoom();	

			GEvent.addListener(map, "infowindowclose", function() {		
				var obj = document.getElementById('blog'); 
				obj.innerHTML = choosagb;
				setStyleById("newtopic", "display", "none" );			
			});	
			
			GEvent.addListener(map, "infowindowbeforeclose", function() {		
				var obj = document.getElementById('blog'); 
				obj.innerHTML = choosagb;
				setStyleById("newtopic", "display", "none" );	
			});	
					
	        map.setCenter(new GLatLng(45.4347190856934, 12.3627090454102), 13);
			
			GDownloadUrl(submitTo+"?task=getPOI", 
				function(data, responseCode) {

					if(responseCode == 200) {
						// Create a base icon for all of our markers that specifies the
						// shadow, icon dimensions, etc.
						var baseIcon = new GIcon();
						baseIcon.image = "http://www.google.com/mapfiles/marker.png";
						baseIcon.shadow = "http://www.google.com/mapfiles/shadow50.png";
						baseIcon.iconSize = new GSize(20, 34);
						baseIcon.shadowSize = new GSize(37, 34);
						baseIcon.iconAnchor = new GPoint(9, 34);
						baseIcon.infoWindowAnchor = new GPoint(9, 2);
						baseIcon.infoShadowAnchor = new GPoint(18, 25);
							
						var xml = GXml.parse(data);
						
						var markers = xml.documentElement.getElementsByTagName("marker");
						
						for (var i = 0; i < markers.length; i++) {
						    var titolo=markers[i].getAttribute("titolo");    
						    var testo=markers[i].getAttribute("descrizione"); 	
							
						   	image01= new Image();
						    if(markers[i].getAttribute("immagine")!=""){ 
								image01.src="../public/voce"+markers[i].getAttribute("immagine");
						    	testo=testo+'<div style="text-align:center;"><br /><img src="../public/voce/'+markers[i].getAttribute("immagine")+'" height="100" /></div>';                    
							}
							//var icon = new GIcon(baseIcon);
							//icon.image = markers[i].getAttribute("icona");
							var icon = baseIcon;	    
						    map.addOverlay(createMarker_icon(new GLatLng(markers[i].getAttribute("lat"),markers[i].getAttribute("lng")),titolo,testo,0,icon,markers[i].getAttribute("id"),map));		  
					  	}
					}
				  	else if(responseCode == -1) {
    					alert("Data request timed out. Please try later.");
  					} else { 
    					alert("Request resulted in error. Check XML file is retrievable.");
  					}
				}
			);	      
		}
	}

	function createMarker_icon(point, titolo,testo,admin,icon, id, map) {
		//alert("dentro "+markers.length);
		testo='<div style="width:280px; height:auto;" class="mymarker"><h2>'+titolo+'</h2>'+testo;				
							
		testo=testo+'</div>';
		
		var drag=false;
		
		var marker = new GMarker(point,{clickable:true, icon:icon, draggable:drag});
		
		GEvent.addListener(marker, "click", function() {		
			marker.openInfoWindowHtml(testo);
			get_blog(id);
			setStyleById("newtopic", "display", "none" );	
	 	 });
	  	
	  	GEvent.addListener(marker, "infowindowclose", function() {
				var obj = document.getElementById('blog'); 
				obj.innerHTML = '';
				setStyleById("newtopic", "display", "none" );	
	 	 });	 	 
	 	 	 
	  return marker;
	}
	
	function get_blog(id){
		var obj = document.getElementById('blog'); 
		obj.innerHTML = loading;
		var data='task=getblog&marker='+id;
		http('POST', submitTo, show_blog,data);
	}
	
	function show_blog(data){
		var obj = document.getElementById('blog'); 
		obj.innerHTML=loading;
		var len=data.totale;
		var str='';
		
		if(len>0){
			for(i=0 ; i < len ; i++){
				str=str+'<div class="geo_topic"><h1>'+data.topic[i].titolo+'</h1>'+data.topic[i].descrizione+'<br />';
				str=str+'<a href="#" onClick="get_blog_posting(\''+data.topic[i].id+'\'); return false;">leggi i commenti</a>&nbsp;&nbsp;|';
				str=str+'&nbsp;&nbsp;<a href="#" onClick="chiudi_post(\''+data.topic[i].id+'\'); return false;">chiudi</a>&nbsp;&nbsp;|';
				str=str+'&nbsp;&nbsp;<a href="#" onClick="createNewReply_form(\''+data.topic[i].id+'\'); return false;">aggiungi commento</a>';
				str=str+'<hr /><div id="geo_blog_'+data.topic[i].id+'"></div></div>';	
			}
			obj.innerHTML=str+'<br />';
		}
		else{
			obj.innerHTML=str+'<div class="geo_topic"><h1>Nessun Topic Inserito</h1></div>';
		}
	}
	
	function get_blog_posting(id){
		var data='task=getblog_posting&topic='+id;
		http('POST', submitTo, show_blog_posting,data);
	}
	
	function show_blog_posting(data){
		var obj = document.getElementById('geo_blog_'+data.topic); 
		obj.innerHTML=loading;
		var str="";
		if(data.totale>0){
			for(i=0 ; i < data.totale ; i++){
				str=str+'<table width="95%" cellspacing="4" style="background-color:'+data.posting[i].bg+'; margin-bottom:6px;" align="center">';
				str=str+'<tr>';
				str=str+'<td style="background-color:'+data.posting[i].bg+'; text-align:left; font-size:10px;"><strong>'+data.posting[i].data_ins_ok+'</strong></td>';
				str=str+'<td style="background-color:'+data.posting[i].bg+'; text-align:right;font-size:10px;"><strong>'+data.posting[i].nome+' '+data.posting[i].cognome+'</strong></td>';
				str=str+'</tr>';
				str=str+'<tr>';
				str=str+'<td colspan="2" style="font-size:10px; color:#000000; background-color:'+data.posting[i].bg+';">'+data.posting[i].testo+'</td>';
				str=str+'</tr>';
				
				if(data.posting[i].owner==1){
					str=str+'<tr>';
					str=str+'<td colspan="2" style="font-size:10px; color:#000000; background-color:'+data.posting[i].bg+';"><a href="#" onClick="delete_reply('+data.posting[i].id+'); return false;" title="delete this post">delete</a></td>';
					str=str+'</tr>';
				}
							
				str=str+'</table>';
			}
			obj.innerHTML=str;
		}
		else{
			obj.innerHTML=str+'<br /><strong>...nessun messaggio inserito</strong>';
		}				
	}
	

    function showAddress(address) {
      if (geocoder) {
      	//address=address+' venezia';
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert(address + " not found");
            } else {

              map.setCenter(point, 17);
				obj=address;
				map.addOverlay(createMarker_icon(point,'RISULTATO RICERCA',obj,0));                        
            }
          }
        );
      }
    }
    	
	/******** MESSAGE FUNCTION ***********/
	
	function createNewReply_form(id){
		obj = document.getElementById("newreply_idtopic"); 
		obj.value=id;
		obj = document.getElementById("newreply_testo"); 
		obj.value="";
		clear_SA();
		add_SA_HtmlById("add_reply"); 
		setStyleById("add_reply", "display", "block" );
		show_SA();					
	}
	
	function closeNewReply_form(){
		setStyleById("add_reply", "display", "none" );
		hide_SA();
		clear_SA();
	}
	
	function createNewReply(formz){
		clear_SA();
		setStyleById("add_reply", "display", "none" );
		add_SA_HTML(loading_SA);
		if(formz.idtopic.value>0){
			data="task=insert_message&testo="+formz.testo.value+"&idtopic="+formz.idtopic.value;		
			http('POST', submitTo,createNewReply_response,data);		
		}
		else{
			alert("Errore Impossibile Inserire Commenti contattare l\'amministratore");				
		}
	}
	
	function createNewReply_response(data){
		hide_SA();
		clear_SA();
		if(data.state>0){
			get_blog_posting(data.idtopic);
		}
		else{
			alert("ERRORE impossibile inserire il nuovo Commento");
		}
	}
	
	function delete_reply(id){
		var answer = confirm ("Confermi l\'Eliminazione del Post ?")
		if (answer){
			var data="task=delete_message&posting="+id;
			http('POST', submitTo, response_delete_reply,data);		
		}
	}
	
	function response_delete_reply(data){
		if(data.state==1){
			get_blog_posting(data.idtopic);
		}
		else{
			alert("Impossibile Eliminare il Messaggio!\nMessaggio inesistente o permessi sufficenti");
		}
	}