function preload () {
	pic1= new Image(250,250); 
	pic1.src="images/pic1_over.png"; 

	pic2= new Image(246,226); 
	pic2.src="images/pic2_over.png"; 

	pic3= new Image(281,268); 
	pic3.src="images/pic3_over.png"; 
}

function loadPage(page) {
	location.href = page;
}

function goHome () {
	// go home, on dev environment and live
	if (window.location.hostname == "localhost") {
		location.href = "index.php";
	} else {
		location.href = "/";
	}
}