// Trocar DIV
function troca(div, arquivo, legenda) {
	document.getElementById('legenda').style.display = "none";
	document.getElementById('legenda').innerHTML = "";
	this.legenda = legenda;
	if (div == "img"){
	//	document.getElementById('legenda').style.display = "";
		document.imagem.src = "";
		document.getElementById('legenda').innerHTML = "<img src='/imagens/bulletp_ani.gif' align='middle'> carregando...";
		document.imagem.src = "imagens/" + arquivo + ".jpg";
	}
	else{
    	var req = new DataRequestor();
    	req.setObjToReplace(div);
    	req.getURL(div + "/" + arquivo + ".asp");
	}
}
function legendar() {
	if (this.legenda == null){
		document.getElementById('legenda').style.display = "none";
	}
	else {
		document.getElementById('legenda').style.display = "";
		document.getElementById('legenda').innerHTML = legenda;

	}
}
function zoom(arquivo){
	var req = new DataRequestor();
    req.setObjToReplace("zoom");
    req.getURL("zoom/" + arquivo + ".asp");
}
//#$Id: DataRequestor.js,v 1.4 2005/03/09 17:45:21 meekut Exp $
/**
 *  DataRequestor Class v: 1.3 - Mar. 9, 2005
 *
 *	   Copyright 2005 - Mike West - http://mikewest.org/
 *
 *    This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
 *
 *    This class wraps the XMLHttpRequest object with a friendly API
 *    that makes complicated data requests trivial to impliment in
 *    your application.
 *
 */
var _RETURN_AS_TEXT = 1;
var _RETURN_AS_DOM = 0;
var _POST      = 0;
var _GET      = 1;

var _REPLACE_AS_DOM = 0;
var _REPLACE_AS_HTML = 1;

var _CACHE      = 0;
var _NO_CACHE    = 1;

function DataRequestor() {
  var self = this; 
  this.getXMLHTTP = function() {
    var xmlHTTP = null;

    try {
      xmlHTTP = new XMLHttpRequest();
    } catch (e) {
      try {
        xmlHTTP = new ActiveXObject("Msxml2.XMLHTTP")
      } catch(e) {
        var success = false;
        var MSXML_XMLHTTP_PROGIDS = new Array(
          'Microsoft.XMLHTTP',
          'MSXML2.XMLHTTP',
          'MSXML2.XMLHTTP.5.0',
          'MSXML2.XMLHTTP.4.0',
          'MSXML2.XMLHTTP.3.0'
        );
        for (var i=0;i < MSXML_XMLHTTP_PROGIDS.length && !success; i++) {
          try {
            xmlHTTP = new ActiveXObject(MSXML_XMLHTTP_PROGIDS[i]);
            success = true;
          } catch (e) {
            xmlHTTP = null;
          }
        }
      }

    }
    self._XML_REQ = xmlHTTP;
    return self._XML_REQ;
  }
  this.getURL = function(url) {
      if (arguments[1] == _RETURN_AS_DOM) {
        self.returnType = _RETURN_AS_DOM;
      } else {
        self.returnType = _RETURN_AS_TEXT; // DEFAULT
      }

      if (typeof self._XML_REQ.abort == "function" && self._XML_REQ.readyState!=0) { // Opera can't abort().
        self._XML_REQ.abort();
      }

      self._XML_REQ.onreadystatechange = self.callback;

      var requestType = "GET";
      var getUrlString = "?";
      for (var i in self.argArray[_GET]) {
        getUrlString += i + "=" + self.argArray[_GET][i] + "&";
      }
      var postUrlString = "";
      for (i in self.argArray[_POST]) {
        postUrlString += i + "=" + self.argArray[_POST][i] + "&";
      }
      if (postUrlString != "") {
        requestType = "POST"; 
      }


      self._XML_REQ.open(requestType, url + getUrlString, true);
      if (typeof self._XML_REQ.setRequestHeader == "function") { // Opera can't setRequestHeader()
        if (self.returnType == _RETURN_AS_DOM && typeof self._XML_REQ.overrideMimeType == "function") {
          self._XML_REQ.overrideMimeType('text/xml'); // Make sure we get XML if we're trying to process as DOM
        }
        self._XML_REQ.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
      }
      self._XML_REQ.send(postUrlString);

    return true;
  }

  this.callback = function() {
    if (self.onLoad) {
      self.onload   = self.onLoad;
    }
    if (self.onProgress) {
      self.onprogress = self.onProgress;
    }
    if (self.onFail) {
      self.onfail   = self.onFail;
    }

    if (self._XML_REQ.readyState == 4 && self._XML_REQ.status == 200) {
      var obj = self.getObjToReplace();
      if (obj) {
        if (self.replaceAs == _REPLACE_AS_HTML) {
          // IE dies if you assign to a textarea's innerHTML
          if (obj.nodeName == "TEXTAREA" || obj.nodeName == "INPUT") {
            obj.value = self._XML_REQ.responseText;
          } else {
            obj.innerHTML = self._XML_REQ.responseText;
          }
        } else if (self.replaceAs == _REPLACE_AS_DOM) {
          eval(self._XML_REQ.responseText);
          obj.parentNode.replaceChild(_DOM_OBJ, obj);
          self.setObjToReplace(_DOM_OBJ);
        }
      }
      if (self.onload) {
        if (self.returnType == _RETURN_AS_DOM) {
          self.onload(self.normalizeWhitespace(self._XML_REQ.responseXML), obj);
        } else {
          self.onload(self._XML_REQ.responseText, obj);
        }
      }
    } else if (self._XML_REQ.readyState == 3) {
      if (self.onprogress && !document.all) { // This would throw an error in IE.
        var contentLength = 0;
        try {
          contentLength = self._XML_REQ.getResponseHeader("Content-Length");
        } catch (e) {
          contentLength = -1;
        }
        self.onprogress(self._XML_REQ.responseText.length, contentLength);
      }

    } else if (self._XML_REQ.readyState == 4) {
      if (self.onfail) {
        self.onfail(self._XML_REQ.status);
      } else {
        throw new Error("Data Request failed with an HTTP status of " + self._XML_REQ.status);
      }
    }
  }

  this.normalizeWhitespace = function (domObj) {
    if (document.createTreeWalker) {
      var filter = {
        acceptNode: function(node) {
          if (/\S/.test(node.nodeValue)) {
            return NodeFilter.FILTER_SKIP;
          }
          return NodeFilter.FILTER_ACCEPT;
        }
      }
      var treeWalker = document.createTreeWalker(domObj, NodeFilter.SHOW_TEXT, filter, true);
      while (treeWalker.nextNode()) {
        treeWalker.currentNode.parentNode.removeChild(treeWalker.currentNode);
        treeWalker.currentNode = domObj;
      }
      return domObj;
    } else {
      return domObj;
    }
  }
  this.setObjToReplace = function(obj) {
    if (arguments[1] == _REPLACE_AS_DOM) {
      self.replaceAs = _REPLACE_AS_DOM;
    } else {
      self.replaceAs = _REPLACE_AS_HTML;
    }
    if (typeof obj == "object") {
      self.objToReplace = obj;
    } else if (typeof obj == "string") {
      self.objToReplaceID = obj;

    }
  }

  this.getObjToReplace = function() {
    if (self.objToReplaceID) {
      self.objToReplace = document.getElementById(self.objToReplaceID);
      self.objToReplaceID = "";
    }
    return self.objToReplace;
  }

  this.addArg = function(type, name, value) {
    self.argArray[type][name] = escape(value);
  }

  this.clearArgs = function() {
    self.argArray[_POST] = new Array();
    self.argArray[_GET] = new Array();
  }

  this.clear = function() {
    self.returnType   = _RETURN_AS_TEXT;
    self.argArray    = new Array();

    self.objToReplace  = null;
    self.objToReplaceID = "";
    self.replaceAs    = _REPLACE_AS_HTML;

    self.onload     = null;
    self.onfail     = null;
    self.onprogress   = null;
    self.cache      = new Array();
    this.clearArgs();
  }
  if (!this.getXMLHTTP()) {
    throw new Error("Could not load XMLHttpRequest object");
  }

  this.clear();
}