var button01 = new Image();
var button02 = new Image();
var button03 = new Image();
var button04 = new Image();

var button010 = new Image();
var button020 = new Image();
var button030 = new Image();
var button040 = new Image();

button01.src = "images/common/button01.gif";
button02.src = "images/common/button02.gif";
button03.src = "images/common/button03.gif";
button04.src = "images/common/button04.gif";

button010.src = "images/common/button010.gif";
button020.src = "images/common/button020.gif";
button030.src = "images/common/button030.gif";
button040.src = "images/common/button040.gif";

function setImage(item, ref)
{
	item.src = ref;
}