function preloadImages() {
	if (document.images) {
		
		// set image url
		var image_url = new Array();
		image_url.push("imgs/bracketNextOv.png");
		image_url.push("imgs/bracketBackOv.png");
		image_url.push("imgs/whoweareArr.png");
		image_url.push("imgs/whoweareArrOv.png");
		image_url.push("imgs/howwethinkArrOv.png");
		image_url.push("imgs/whatwedoArrOv.png");
		image_url.push("imgs/whatwefeelArrOv.png");
		
		for(var i=0; i < image_url.length; i++) {
			var preloadImage = new Image();
			preloadImage.src = image_url[i];
		}
	}
}

function preloadPage() {
	var mainContent = document.getElementById("mainContent");
	
	
	var preloaderBtn = document.getElementById("preBtn");
	var addBtn = document.createElement("a");
	addBtn.setAttribute("href", "#");
	addBtn.style.display = "block";
	addBtn.style.width = "280px";
	addBtn.style.height = "100px";
	addBtn.onclick = function () {
		mainContent.style.visibility = "visible";
		moveElement("preloader",0,-900, 25);
		scrollScreen(0,0,15);
		return false;
	}
	preloaderBtn.appendChild(addBtn);
	preloaderBtn.style.background = "transparent url(imgs/initComeInBtn.png) no-repeat";
}

function cansOrCandy() {
	var preloaderHolder = document.getElementById("preHolder");
	var randomPick = Math.floor(Math.random() * 3);
	if(randomPick == 0) {
		preloaderHolder.style.background = "transparent url(imgs/introCans.png) no-repeat";
	}
}

cansOrCandy();
preloadImages();
addLoadEvent(preloadPage);