function go_sprite_1_over() {
	$$('#go_sprite_1').setStyles({
   		'background-position': '0px 0px'
	});
}
function go_sprite_1_out() {
	$$('#go_sprite_1').setStyles({
   		'background-position': '0px -52px'
	});
}
function go_sprite_2_over() {
	$$('#go_sprite_2').setStyles({
   		'background-position': '0px 0px'
	});
}
function go_sprite_2_out() {
	$$('#go_sprite_2').setStyles({
   		'background-position': '0px -52px'
	});
}
function go_sprite_3_over() {
	$$('#go_sprite_3').setStyles({
   		'background-position': '0px 0px'
	});
}
function go_sprite_3_out() {
	$$('#go_sprite_3').setStyles({
   		'background-position': '0px -52px'
	});
}