function selector(){
	var cadVariables = location.search.substring(1, location.search.length);
	if(cadVariables) {
  	var arrVariables = cadVariables.split("&");
  	var arrVariableActual = '';
  	for (i=0; i<arrVariables.length; i++) {
  	  arrVariableActual = arrVariables[i].split("=");
  	  if (isNaN(parseFloat(arrVariableActual[1]))) {
  	    eval(arrVariableActual[0]+"='"+unescape(arrVariableActual[1])+"';");
  	  } else {
  	    eval(arrVariableActual[0]+"="+arrVariableActual[1]+";");
  	  };
    };
  	if(arrVariableActual[0] == 'audios'){
  		mostrarAlt2('audiosart');
  		esconderAlt2('textosart');
  		esconderAlt2('videosart');
  		esconderAlt2('multiart');
  		esconderAlt2('fotosart');
  	};
  	if(arrVariableActual[0] == 'textos'){
  		mostrarAlt2('textosart');
  		esconderAlt2('audiosart');
  		esconderAlt2('videosart');
  		esconderAlt2('multiart');
  		esconderAlt2('fotosart');
  	};
  	if(arrVariableActual[0] == 'videos'){
  		mostrarAlt2('videosart');
  		esconderAlt2('textosart');
  		esconderAlt2('audiosart');
  		esconderAlt2('multiart');
  		esconderAlt2('fotosart');
  	};
  	if(arrVariableActual[0] == 'multi'){
  		mostrarAlt2('multiart');
  		esconderAlt2('textosart');
  		esconderAlt2('videosart');
  		esconderAlt2('audiosart');
  		esconderAlt2('fotosart');
  	};
  	if(arrVariableActual[0] == 'fotos'){
  		mostrarAlt2('fotosart');
  		esconderAlt2('textosart');
  		esconderAlt2('videosart');
  		esconderAlt2('multiart');
  		esconderAlt2('audiosart');
  	};
  };
};