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_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
var imgs = new Array('obras/obra1.jpg','obras/obra2.jpg','obras/obra3.jpg','obras/obra4.jpg','obras/obra5.jpg','obras/obra6.jpg','obras/obra7.jpg','obras/obra8.jpg','obras/obra9.jpg','obras/obra10.jpg','obras/obra11.jpg','obras/obra12.jpg','obras/obra13.jpg','obras/obra14.jpg','obras/obra15.jpg','obras/obra16.jpg','obras/obra17.jpg','obras/obra18.jpg','obras/obra19.jpg','obras/obra20.jpg','obras/obra21.jpg','obras/obra22.jpg','obras/obra23.jpg','obras/obra24.jpg','obras/obra25.jpg','obras/obra26.jpg');
// delay in milliseconds between image swaps 1000 = 1 second 
var delay = 3000;
var counter = 0;

function preloadImgs(){
  for(var i=0;i<imgs.length;i++){
    MM_preloadImages(imgs[i]);
  }
}

function randomImages(){
  if(counter == (imgs.length)){
    counter = 0;
  }
  MM_swapImage('rotator', '', imgs[counter++]);
  setTimeout('randomImages()', delay);
}

var aulas = new Array('aulas/aula1.jpg','aulas/aula2.jpg','aulas/aula3.jpg','aulas/aula4.jpg','aulas/aula5.jpg','aulas/aula6.jpg','aulas/aula7.jpg','aulas/aula8.jpg','aulas/aula9.jpg','aulas/aula10.jpg','aulas/aula11.jpg','aulas/aula12.jpg','aulas/aula13.jpg','aulas/aula14.jpg','aulas/aula15.jpg');
// delay in milliseconds between image swaps 1000 = 1 second 
var delay = 3000;
var counter = 0;

function preloadImgs1(){
  for(var i=0;i<aulas.length;i++){
    MM_preloadImages(aulas[i]);
  }
}

function randomImages1(){
  if(counter == (aulas.length)){
    counter = 0;
  }
  MM_swapImage('rotator', '', aulas[counter++]);
  setTimeout('randomImages1()', delay);
}