var home0 = new Image(131,19);
home0.src = "image/bthome0.gif";
var home1 = new Image(131,19);
home1.src = "image/bthome1.gif";

var about0 = new Image(131,19);
about0.src = "image/btabout0.gif";
var about1 = new Image(131,19);
about1.src = "image/btabout1.gif";

var location0 = new Image(131,19);
location0.src = "image/btlocation0.gif";
var location1 = new Image(131,19);
location1.src = "image/btlocation1.gif";

var english0 = new Image(131,19);
english0.src = "image/btenglish0.gif";
var english1 = new Image(131,19);
english1.src = "image/btenglish1.gif";

var indonesian0 = new Image(131,19);
indonesian0.src = "image/btindonesian0.gif";
var indonesian1 = new Image(131,19);
indonesian1.src = "image/btindonesian1.gif";

var mandarin0 = new Image(131,19);
mandarin0.src = "image/btmandarin0.gif";
var mandarin1 = new Image(131,19);
mandarin1.src = "image/btmandarin1.gif";

function hitop(placeholder, imageObject) {
	document.images[placeholder].src = eval(imageObject + ".src")
}