// JavaScript Document
<!--
// better image preloading @ http://perishablepress.com/press/2009/12/28/3-ways-preload-images-css-javascript-ajax/
function preloader() {
	if (document.getElementById) {
		document.getElementById("preloader1").style.background = "url(img/imagen_corporativa_1.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader2").style.background = "url(img/editorial_1.jpg) no-repeat -9999px -9999px";		
		document.getElementById("preloader3").style.background = "url(img/grafica_publicitaria_1.jpg) no-repeat -9999px -9999px";
		document.getElementById("preloader4").style.background = "url(img/packaging_1.jpg) no-repeat -9999px -9999px";
		document.getElementById("preloader5").style.background = "url(img/multimedia_1.jpg) no-repeat -9999px -9999px";
		document.getElementById("preloader6").style.background = "url(img/diseno_web_1.jpg) no-repeat -9999px -9999px";
		//Miniaturas de imagenes
		document.getElementById("preloader7").style.background = "url(img/imagen_corporativa_mini_1.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader8").style.background = "url(img/imagen_corporativa_mini_2.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader9").style.background = "url(img/imagen_corporativa_mini_3.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader10").style.background = "url(img/imagen_corporativa_mini_4.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader11").style.background = "url(img/imagen_corporativa_mini_5.gif) no-repeat -9999px -9999px";
		
		document.getElementById("preloader12").style.background = "url(img/editorial_mini_1.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader13").style.background = "url(img/editorial_mini_2.gif) no-repeat -9999px -9999px";
		
		document.getElementById("preloader14").style.background = "url(img/grafica_publicitaria_mini_1.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader15").style.background = "url(img/igrafica_publicitaria_mini_2.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader16").style.background = "url(img/grafica_publicitaria_mini_2.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader17").style.background = "url(img/igrafica_publicitaria_mini_2.gif) no-repeat -9999px -9999px";
		
		document.getElementById("preloader18").style.background = "url(img/packaging_mini_1.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader19").style.background = "url(img/packaging_mini_2.gif) no-repeat -9999px -9999px";
		
		document.getElementById("preloader20").style.background = "url(img/multimedia_mini_1.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader21").style.background = "url(img/multimedia_mini_2.gif) no-repeat -9999px -9999px";
		
		document.getElementById("preloader22").style.background = "url(img/diseno_web_mini_1.gif) no-repeat -9999px -9999px";
		document.getElementById("preloader23").style.background = "url(img/diseno_web_mini_2.gif) no-repeat -9999px -9999px";
	}
}
//Cuando carga la pagina, inicia la precarga
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}
addLoadEvent(preloader);
//-->