function Favoritos(id_imoveis){	

	xmlHttp=GetXmlHttpObject();
	url="session.asp";
	
	var id_imoveis 	= id_imoveis;
	var acao	 	= document.getElementById(id_imoveis+"_acao").value;
	
	url = url + "?sid=" + Math.random();
	url = url + "&id_imoveis="+ id_imoveis;
	url = url + "&acao="+ acao;
	
	xmlHttp.onreadystatechange=CriaSession;
	
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
 	
	if (xmlHttp.readyState == 1){
		
		if (acao == 1){ 
			document.getElementById(id_imoveis+"_fav").src = "templates/Cinza/img/btn_estrela.jpg";
			document.getElementById(id_imoveis+"_acao").value = "0"
			document.getElementById("homeFavoritos").style.display = "block";
		}
		else if(acao == 0){ 
			document.getElementById(id_imoveis+"_fav").src = "templates/Cinza/img/btn_estrela_desmarcado.jpg";
			document.getElementById(id_imoveis+"_acao").value = "1"
			if(document.getElementById("homeContagem").innerHTML <= 1){
				document.getElementById("homeFavoritos").style.display = "none";
			}
		}
		else{
			document.getElementById(id_imoveis).style.display = "none";
		}
	}

	function CriaSession(){ 
		if (xmlHttp.readyState==4){
			document.getElementById("homeContagem").innerHTML = xmlHttp.responseText;
		}
	}

}

function GetXmlHttpObject()
	{
	 if (window.XMLHttpRequest) {   
			   a=new XMLHttpRequest(); } //Objeto nativo (FF/Safari/Opera7.6+)  
		   else {  
			 try {   
				a=new ActiveXObject("Msxml2.XMLHTTP");  //activeX (IE5.5+/MSXML2+)  
			 }	 
			 catch(e) {  
			   try {   
				  a=new ActiveXObject("Microsoft.XMLHTTP"); //activeX (IE5+/MSXML1)  
			   }	 
			   catch(e) { /* O navegador não tem suporte */   
				  a=false;   
			   }  
			 }  
		   }   
		   return a;  
	}