if (!String.prototype.split) {
function split(s) {
 var res=new Array();
 var str=this.toString();
 var n=0;
 while (str!='') {
	var p=str.indexOf(s);
	if (p==-1) p=str.length;
	res[n++]=str.substr(0,p);
	str=str.substr(p+s.length);
 }
 return res;
}

 String.prototype.split=split;

}

if (!Array.prototype.pop) {

function pop() {
	return this[this.length-1];
}

 Array.prototype.pop=pop;

}

function GM_preloadimg(s) {

 var d=document,i=0;
 d.GM_p=new Array();
 var p=d.GM_p;

 s="p[i]=new Image; p[i++].src='/images/"  +
        s.replace(/,/g,"'; p[i]=new Image; p[i++].src='/images/") +
 "';";

 eval(s);
 return p;
}

function GetSubMenu() {
 var table=document.getElementById('promos');
 if (!table) return '';
 var s='';
 for (var nrow=0; nrow<table.rows.length; nrow++) {
	var trow=table.rows[nrow];
	if (trow.id!='promociones') s+='<a href="?'+trow.id+'">' + trow.cells[2].innerHTML + '</a>\n';
 }
 return s;
}

var mLinks=[];
var MyLink=location.pathname+location.search;

function setOption(n) {
 var mlink;
 for (var i=1; i<=12; i++) {
	if (!mLinks[i]) mLinks[i]=document.getElementById('menulink'+i);
	if(!(mlink=mLinks[i])) continue;
	submenu=mlink.submenu;
	if (!mlink.submenu) {
		mlink.submenu=document.getElementById('submenu'+i);
		if ((mlink.submenu) && (!mlink.submenu.prevHTML)) 
			mlink.submenu.prevHTML=(i==4?GetSubMenu():mlink.submenu.innerHTML);
	}
	submenu=mlink.submenu;
	
	if (i==n) {
		mlink.style.backgroundImage='url(/images/puntero_hi.gif)';
		if (submenu) {
			var sHTML=submenu.prevHTML;
			
			sHTML=sHTML.replace('href="'+MyLink+'"','class=active href="'+MyLink+'"');
			if (location.search) 
				sHTML=sHTML.replace(location.search+'"',location.search+'" class=active ');
		
			submenu.innerHTML=sHTML;
		}
	} else 
		if (submenu) submenu.innerHTML='';
 }
 return false;
}