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];}
}

function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}
function deleteCookie(name, path, domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}
function getCookie(Name) {
	var search = Name + "="
	if (document.cookie.length > 0) { // if there are any cookies
		offset = document.cookie.indexOf(search)
		if (offset != -1) { // if cookie exists
			offset += search.length
			// set index of beginning of value
			end = document.cookie.indexOf(";", offset)
			// set index of end of cookie value
			if (end == -1) {
				end = document.cookie.length
			}
			return unescape(document.cookie.substring(offset, end))
		}
	}
}

/*var imagenes = new Array();

imagenes[0] = "index_r7_c3.gif";
imagenes[1] = "ensayo.gif";
imagenes[2] = "ensayo2.gif";
imagenes[3] = "ensayo3.gif";
*/
function repetir(que, veces) {
	var aRetornar = "";
	que = que + "";
	for (var i = 0; i < veces; i++) {
		aRetornar += que;
	}
	return aRetornar;
}

function aleatorio(inicio, fin) {
	return Math.round(inicio*1 + (Math.random() * (fin - inicio)))
}

function getIdxImagenAMostrar() {
	var noMostradas = new Array();
	var mapaMostradas = getCookie("mapaImgProductosMostradas");
	if (mapaMostradas == null) {
		mapaMostradas = repetir("n", imagenes.length);
	}
	for (var i = 0; i < mapaMostradas.length; i++) {
		if (mapaMostradas.charAt(i) != 's') {
			noMostradas[noMostradas.length] = i;
		}
	}
	if (noMostradas.length == 0) {
		setCookie("mapaImgProductosMostradas", repetir("n", imagenes.length));
		return aleatorio(0, imagenes.length - 1);
	}
	var aRetornar = noMostradas[aleatorio(0, noMostradas.length - 1)];
	mapaMostradas = mapaMostradas.substring(0, aRetornar) + "s"
			+ mapaMostradas.substring(aRetornar +  1);
	setCookie("mapaImgProductosMostradas", mapaMostradas);
	return aRetornar;
}

function cargarImagenProducto() {
	var imagenAMostrar = getIdxImagenAMostrar();
	if (!imagenAMostrar) { imagenAMostrar = 0;}
//	prompt("", "<td><img name=\"imgProducto\" src=\"images/" + imagenes[imagenAMostrar] + "\" width=\"245\" height=\"170\" border=\"0\" alt=\"\"></td>");
	//document.write("<td align='center'>");
	var rutaswf= "media/"+imagenes[imagenAMostrar]
	detectarEscribirFlash(rutaswf, "", 6, 240, 221, "", "", "")
	//document.write("</td>");
	
	return imagenAMostrar;
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
//-->