var requiredMajorVersion = 8;
var requiredMinorVersion = 0;
var requiredRevision = 0;
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function validar_search(f){
	if(f.criterio_busqueda.value==""){
		alert("Ingresar Palabra.");
		f.criterio_busqueda.focus();
		return false;
	}
	return true;
}

addEvent = function ( obj, type, fn ) {
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); };
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}

function mostrar_foto(ruta,ancho,alto){
	pop = document.getElementById("foto_modal");
	pop.style.display = "";

	preloader = document.getElementById("preloader_img");
	preloader.style.display = "";

	img = document.getElementById("foto_modal_img");
	img.style.display = "none";
	img.width = ancho;
	img.height = alto;

	addEvent(img,"load",carga_completa_img);

	img.src = "imagen.php?ruta=" + ruta + "&ancho=" + ancho + "&alto=" + alto;
}

function carga_completa_img(){
	preloader = document.getElementById("preloader_img");
	preloader.style.display = "none";

	img = document.getElementById("foto_modal_img");
	img.style.display = "";
}

function cerrar_foto(){
	pop = document.getElementById("foto_modal");
	pop.style.display = "none";

	img = document.getElementById("foto_modal_img");
	img.src = "imagenes/fondo_modal.png";
}