// JavaScript Document

function GetXmlHttpObject()
{ 
	var ajax = null
	try 
	{
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	} 
	catch(e) 
	{
		try 
		{
			ajax = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(ex) 
		{
			try 
			{
				ajax = new XMLHttpRequest();
			}
			catch(exc) 
			{
				alert("Esse browser não tem recursos para uso do Ajax");
				ajax = null;
			}
		}
	}
	
	return ajax;
}


function stateChanged() 
{ 
	var vitrineFoto	=	document.getElementById("vitrineFoto");
	if(vitrineFoto)
	{
		vitrineFoto.innerHTML = "Aguarde...";
	}
	
	//alert(xmlHttp.readyState)
	
	if (xmlHttp.readyState==3 || xmlHttp.readyState==2 )
	{ 
		if(vitrineFoto)
		{
			vitrineFoto.innerHTML = "Carregando dados..."
		}
	}
	
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		if(vitrineFoto)
		{
			vitrineFoto.innerHTML = ""
		}
		processXML(xmlHttp.responseXML)
	} 
} 




function carregaFoto(codigoFoto)
{ 
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return false;
	} 
	
	var url= "ajax.asp"
	url=url+"?codigoFoto=" + codigoFoto
	
	
	xmlHttp.onreadystatechange=stateChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}


function processXML(obj)
{
	var dataArray1   =  obj.getElementsByTagName("foto");
	var item1 		 =  dataArray1[0];
	
	//alert(dataArray1.length)
	
	var Dlegenda		=	document.getElementById("legendaFoto");
	var DvitrineFoto	=	document.getElementById("vitrineFoto");
	
	
	if(item1.getElementsByTagName("imagem")[0].firstChild)
	{
		var imagem1				=  item1.getElementsByTagName("imagem")[0].firstChild.nodeValue;
		var imagemGrande		=  item1.getElementsByTagName("imagemGrande")[0].firstChild.nodeValue;
		DvitrineFoto.innerHTML	= "<img style='cursor:pointer;' src='http://"+ document.domain + "/"+ imagem1 +"' onClick=\"ampliar('"+ imagemGrande +"')\">";
	}
	else
	{
		DvitrineFoto.innerHTML = "";
	}
	
	if(item1.getElementsByTagName("legenda")[0].firstChild)
	{
		var legenda1		=  item1.getElementsByTagName("legenda")[0].firstChild.nodeValue;
		Dlegenda.innerHTML  = legenda1;
	}
	else
	{
		Dlegenda.innerHTML = "";	
	}
		
	//alert(nome)
  
}