// Esta funcion extrae los valores de la url
//retorna arreglo de los valores en URL
	function geting( name ){
		var regexS = "[\\?&]"+name+"=([^&#]*)";
		var regex = new RegExp ( regexS );
		var tmpURL = window.location.href;
		var results = regex.exec( tmpURL );
		if( results == null )
			return"";
		else
			return results[1];}
//Pestaņas
	function cambio_pestana(pestana,catidad){
			atras_todas(catidad);
			document.getElementById("pestana"+pestana).className ="adelante";
			document.getElementById("pestanas"+pestana).className ="selecionado";
		}
		function atras_todas(cantidad){
			for(contador=1;contador<=cantidad;contador++){
			document.getElementById("pestana"+contador).className ="atras";
			document.getElementById("pestanas"+contador).className ="sinselecionar";
			}
		}
//Cookies
	function obtenerCookie(c_name){
		var i,x,y,ARRcookies=document.cookie.split(";");
		for (i=0;i<ARRcookies.length;i++){
			x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
			y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
			x=x.replace(/^\s+|\s+$/g,"");
			if (x==c_name){
				return unescape(y);}
		}	
	}

	function colocarCookie(c_name,value,exdays){
		var exdate=new Date();
		exdate.setDate(exdate.getDate() + exdays);
		var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
		document.cookie=c_name + "=" + c_value;
	}