var scripts = [];

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		about_us_2_over = newImage("images/about-us-2-over.gif");
		chain_link_2_over = newImage("images/chain-link-2-over.gif");
		iron_fence_2_over = newImage("images/iron-fence-2-over.gif");
		wood_fence_2_over = newImage("images/wood-fence-2-over.gif");
		gates_2_over = newImage("images/gates-2-over.gif");
		preloadFlag = true;
	}
}

window.onload = function() {
	window.preloadImages();
	
	for(var i=0; i < window.scripts.length; i++) {
		window.scripts[i]();
	}
};