function cambiar(){
botones = new Array(22, "arcanos/1D", "arcanos/2D", "arcanos/3D", "arcanos/4D", "arcanos/5D", "arcanos/6D", "arcanos/7D", "arcanos/8D",
 "arcanos/9D", "arcanos/10D", "arcanos/11D", "arcanos/12D", "arcanos/13D", "arcanos/14D", "arcanos/15D", "arcanos/16D", "arcanos/17D",
 "arcanos/18D", "arcanos/19D", "arcanos/20D", "arcanos/21D", "arcanos/22D");
ext = ".gif";
c1=0;c2=0;c3=0;c4=0;c5=0;
with (Math) {
while (c1==c2 || c1==c3 || c1==c4 || c1==c5 || c2==c3 || c2==c4 || c2==c5 || c3==c4 || c3==c5 || c4==c5){
	c1 = ceil(random()*botones[0]);
	c2 = ceil(random()*botones[0]);
	c3 = ceil(random()*botones[0]);
	c4 = ceil(random()*botones[0]);
	c5 = ceil(random()*botones[0]);
};
};
document.images["casilla1"].src=botones[c1]+ext;
document.images["casilla2"].src=botones[c2]+ext;
document.images["casilla3"].src=botones[c3]+ext;
document.images["casilla4"].src=botones[c4]+ext;
document.images["casilla5"].src=botones[c5]+ext;
};
function volver(){
	document.images["casilla1"].src="images/rev01.gif";
	document.images["casilla2"].src="images/rev02.gif";
	document.images["casilla3"].src="images/rev03.gif";
	document.images["casilla4"].src="images/rev04.gif";
	document.images["casilla5"].src="images/rev05.gif";
}
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_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) { //v4.0
  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 && document.getElementById) x=document.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];}
}