if(document.images){
var img1on=new Image();
img1on.src="rogoimage/2.gif";
var img1off=new Image();
img1off.src="rogoimage/1.gif";

var img2on=new Image();
img2on.src="rogoimage/4.gif";
var img2off=new Image();
img2off.src="rogoimage/3.gif";

var img3on=new Image();
img3on.src="rogoimage/6.gif";
var img3off=new Image();
img3off.src="rogoimage/5.gif";

var img4on=new Image();
img4on.src="rogoimage/8.gif";
var img4off=new Image();
img4off.src="rogoimage/7.gif";

var img5on=new Image();
img5on.src="rogoimage/10.gif";
var img5off=new Image();
img5off.src="rogoimage/9.gif";

var img6on=new Image();
img6on.src="rogoimage/12.gif";
var img6off=new Image();
img6off.src="rogoimage/11.gif";

var img7on=new Image();
img7on.src="rogoimage/14.gif";
var img7off=new Image();
img7off.src="rogoimage/13.gif";

var img8on=new Image();
img8on.src="rogoimage/16.gif";
var img8off=new Image();
img8off.src="rogoimage/15.gif";

var img9on=new Image();
img9on.src="rogoimage/18.gif";
var img9off=new Image();
img9off.src="rogoimage/17.gif";


var img10on=new Image();
img10on.src="rogoimage/20.gif";
var img10off=new Image();
img10off.src="rogoimage/19.gif";

var img11on=new Image();
img11on.src="rogoimage/22.gif";
var img11off=new Image();
img11off.src="rogoimage/21.gif";

var img12on=new Image();
img12on.src="rogoimage/24.gif";
var img12off=new Image();
img12off.src="rogoimage/23.gif";

var img13on=new Image();
img13on.src="rogoimage/26.gif";
var img13off=new Image();
img13off.src="rogoimage/25.gif";

var img14on=new Image();
img14on.src="rogoimage/28.gif";
var img14off=new Image();
img14off.src="rogoimage/27.gif";

var img15on=new Image();
img15on.src="rogoimage/30.gif";
var img15off=new Image();
img15off.src="rogoimage/29.gif";


}


function On(name){

if(document.images){
document.images[name].src=eval(name+'on.src');
}
}

function Off(name){
if(document.images){
document.images[name].src=eval(name+'off.src');
}
}