//esquinas

function DomCheck(){
return(document.createElement && document.getElementById)
}

function DomCorners(id,bk,h,tries){
var el=document.getElementById(id);
if(el==null){
    if(tries==null) tries=200;
    if(tries>0)
        setTimeout("DomCorners('"+id+"','"+bk+"',"+h+","+(--tries)+")",50);
    return;
    }
var c=new Array(4);
for(var i=0;i<4;i++){
    c[i]=document.createElement("b");
    c[i].style.display="block";
    c[i].style.height=h+"px";
    c[i].style.fontSize="1px";
    if(i%2==0)
        c[i].style.background="url("+bk+") no-repeat 0 -"+ i*h + "px";
    else
        c[i].style.background="url("+bk+") no-repeat 100% -"+ i*h + "px";
    }
c[0].appendChild(c[1]);
c[2].appendChild(c[3]);
el.style.padding="0";
el.insertBefore(c[0],el.firstChild);
el.appendChild(c[2]);
}

/*
if(DomCheck()){
DomCorners("aula_container","/aula/aula_img/peach.gif",10);
}
*/

//dreamweaver

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];}
}
//aleatoria
function getRandom(nums)
{
var ranNum = Math.round((Math.random() * 10 * nums)) % nums;
return ranNum;
}
var numberOfImages = 3;
var randomNumber = getRandom(numberOfImages);
var image = new Array(numberOfImages);
image[0]="/aula/aula_img/cab_aceituna.png";
image[1]="/aula/aula_img/cab_fuego.png";
image[2]="/aula/aula_img/cab_pan_cesto.png"; 

var desc = new Array(numberOfImages);
desc[0]="Aula Etnogr&aacute;fica - Recogida de la Aceituna";
desc[1]="Aula Etnogr&aacute;fica - Quema de Rondeles";
desc[2]="Aula Etnogr&aacute;fica - Gastronom&iacute;a y costumbres"; 

/*
alt=Aula Etnogr&aacute;fica - Recogida de la Aceituna
alt=Aula Etnogr&aacute;fica - Quema de Rondeles
alt=Aula Etnogr&aacute;fica - Gastronom&iacute;a y costumbres

*/