function imagePreload() {  var urlImages=new Array();  
var imoveisLoaded=0;  var n=0;  do {    urlImages[n]=new Image();    urlImages[n].src=arguments[n];    
if(urlImages[n].complete) {      imoveisLoaded++;    }    n++;  }  
while(n<arguments.length)  if(document.all) {    
var loadingErrors=arguments.length - imoveisLoaded;
}}
   

    function show( n ) {
        i = n ;
        document.getElementById("foto").src = fotos[i] ;
        document.getElementById("legenda").innerHTML ='<p>' + texto[i] + '</p>' ;
        document.getElementById("contador").innerHTML = '<p>Foto ' + (n+1) + ' de 10 </p>' ;
        setOpacities();
		imagePreload(fotos[i+1]);
    }
  
    function setOpacities() {
        var browser = navigator.appName;
       
        if (browser == "Netscape") {
            filtro1 = ".MozOpacity = '0.5'";
            filtro2 = ".MozOpacity = '1.0'";
        } else {
            filtro1 = ".filter = 'alpha(opacity=50)'";
            filtro2 = ".filter = 'alpha(opacity=100)'";
        }
       
        if (i == 0) {
            eval("document.getElementById('antes').style" + filtro1);
        } else {
            eval("document.getElementById('antes').style" + filtro2);
        }
   
        if ((i+1) == fotos.length) {
            eval("document.getElementById('depois').style" + filtro1);
        } else {
            eval("document.getElementById('depois').style" + filtro2);
        }
    }
	
	
	

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_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_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function messages(){
var body = "";

        if (window.XMLHttpRequest) {
                xmlhttp = new XMLHttpRequest();
        } else if (window.ActiveXObject) {
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        } else {
            alert("Seu navegador não suporta XMLHttpRequest.");
                return;
        }

    xmlhttp.open("POST", "randon.php", true);
    xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
    xmlhttp.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    xmlhttp.setRequestHeader("Cache-Control", "post-check=0, pre-check=0");
    xmlhttp.setRequestHeader("Pragma", "no-cache");

    xmlhttp.onreadystatechange = processReqChange;
    xmlhttp.send(null);

}

function processReqChange() {
    if (xmlhttp.readyState == 4) {
            if (xmlhttp.status == 200) {
                document.getElementById("vitrine").innerHTML = xmlhttp.responseText;
                               } else {
                    alert("Problemas ao carregar o arquivo.");
                }
    }
}



function showHide(id) {
 var obj = document.getElementById(id);
 if(obj.className == "") {
  obj.className = "ocultaObj";
 } else {
  obj.className = "";
 }
}