a2=new Image(21,21)
a2.src="/2004/common/im/b.gif"
a1=new Image(21,21)
a1.src="/2004/common/im/y.gif"
a3=new Image(21,21)
a3.src="/2004/common/im/r.gif"
num=0;

function change() {
document.images['img'+num].src=a3.src;
		}

function filter(imagename,objectsrc){
if ((document.images) && ('img'+num != document.images[imagename].name))
	{
document.images[imagename].src=eval(objectsrc+".src");
if (num > 0) {document.images['img'+num].src=a3.src;}
	}
}