var imgActiva;

function activaImagenMenu(img, over){

	if(imgActiva != img){

		if(over){

			var strSrc = img.src.replace(".png","_ac.png");
		}

		else{

			var strSrc = img.src.replace("_ac.png",".png");
		}

		img.src = strSrc;
	}
}

function abreBuscador(){

	var buscador = document.getElementById("cajaBuscador");

	if(buscador.style.display != "block"){

		buscador.style.display = "block";
		buscador.style.zIndex = 1000;
	}

	else{

		buscador.style.display = "none";
	}
}

function buscaTexto(){

	var form = document.getElementById("formBusqueda");
	var buscar = document.getElementById("inpTextoBuscador");

	if(buscar.value.length > 0){

		buscar.value = escape(buscar.value);
		form.submit();
	}
}