// JavaScript Document


	
function over1(){
	window.document.myButton1.src="assets/green_button_over_venice.gif";
}

function out1(){
	window.document.myButton1.src="assets/green_button_normal_venice.gif";
}

function over2(){
	window.document.myButton2.src="assets/green_button_over_florence.gif";
}

function out2(){
	window.document.myButton2.src="assets/green_button_normal_florence.gif";
}
	 	
function over3(){
	window.document.myButton3.src="assets/green_button_over_sangimi.gif";
}

function out3(){
	window.document.myButton3.src="assets/green_button_normal_sangimi.gif";
}

function over4(){
	window.document.myButton4.src="assets/green_button_over_siena.gif";
}

function out4(){
	window.document.myButton4.src="assets/green_button_normal_siena.gif";
}
	 


function preload() {
	myImg01 = new Image();
 	myImg01.src ="assets/green_button_over_venice.gif"
 	myImg02 = new Image();
 	myImg02.src="assets/green_button_over_florence.gif"
	myImg03 = new Image();
 	myImg03.src ="assets/green_button_over_sangimi.gif"
 	myImg04 = new Image();
 	myImg04.src="assets/green_button_over_siena.gif"
}