//
	fCookie = function(){ this.init(); }
	var p = fCookie.prototype;
	
	p.path = DIR_ROOT;
	
	p.init = function(){ }
	
	p.set = function(n, v){
		var d = new Date();
		d.setHours(d.getHours() + 1);
		//d.setSeconds(d.getSeconds() + 3);
		var t = d.toGMTString();
		document.cookie = n + '=' + escape(v) + '; expires=' + t + '; path=' + DIR_ROOT + ';';
	}
	
	p.unset = function(n){
		document.cookie = n + '=; expires=Fri, 21 Dec 1976 04:31:24 GMT; path=' + DIR_ROOT + ';';
	}
	
	p.get = function(n){
		var iIni = 0, iEnd = 0, ret = '';
		if (document.cookie.length > 0){
			var iIni = document.cookie.indexOf(n + '=');
			if (iIni != -1){ 
				iIni = iIni + n.length + 1; 
				iEnd = document.cookie.indexOf(";", iIni);
				if(iEnd == -1) iEnd = document.cookie.length;
				ret = unescape(document.cookie.substring(iIni, iEnd));
			}
		}
		return ret;
	}
	
	var Cookie = new fCookie();
	//
	var AgraAchiLetra = function(aEle, iTamIni, iTamInf, iTamSup, iIncr, oAgra, oAchi){
		//Vemos si estaba en la cookie
		var iTam = Cookie.get('tamLetra');
		if(iTam == '' || isNaN(iTam)){ iTam = iTamIni; }
		else{ iTam = parseInt(iTam); }
		
		//Definimos funciones
		var agrandarLetra = function(){
			iTamTemp = iTam + iIncr;
			if(iTamTemp > iTamSup){ iTamTemp = iTamSup; }
			cambiarLetra(iTamTemp);
		}.closure(this);
		
		var achicarLetra = function(){
			iTamTemp = iTam - iIncr;
			if(iTamTemp < iTamInf){ iTamTemp = iTamInf; }
			cambiarLetra(iTamTemp);
		}.closure(this);
		
		this.cambiarLetra = function(iTamTemp){
			var i = 0, t = aEle.length;
			if(iTamTemp == '' || isNaN(iTamTemp)){ iTamTemp = iTam; }
			
			for(i; i < t; i++){ aEle[i].style.fontSize = iTamTemp + "px"; }
			iTam = iTamTemp;
			Cookie.set('tamLetra', iTam);
		}.closure(this);
		
		if(!!oAgra){ AddEvent(oAgra, 'click', agrandarLetra); }
		if(!!oAchi){ AddEvent(oAchi, 'click', achicarLetra); }
		AddEvent(window, 'load', this.cambiarLetra);
	}