function createCookie(name,value,days) {
	value.removeAccents();
	
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function limpiarTexto(str){
	var str = new String(str);
	str = str.removeAccents(); //acentos
	str = str.toLowerCase();	// minusculas
	str = str.split(" ").join("");  // espacios en blanco
	return str;
}

String.prototype.removeAccents = function (){
	var __r = {	'À':'A','Â':'A','Ã':'A','Ä':'A','Å':'A','Á':'A',
				'È':'E','É':'E','Ê':'E','Ë':'E',
				'Ì':'I','Î':'I', 'Í':'I', 'Ï':'I',
				'Ò':'O','Ó':'O','Ô':'O','Ö':'O',
				'Ù':'U','Ú':'U','Û':'U','Ü':'U',
				'Ñ':'N', '\'': '' , '\`': '', '\´': ''};
	return this.replace(/[ÀÂÃÄÅÁÈÉÊËÌÍÏÎÒÓÔÖÙÚÛÜÑ\'\`\´]/gi, function(m){
		var ret = __r[m.toUpperCase()];
		if (m === m.toLowerCase())	ret = ret.toLowerCase();
		return ret;
	});
};