// JScript File
function set(img) {
    pic = document.getElementById(img).src;
    show = pic.substr(pic.length-5, 1);
    if (show == 0) 
    	show = pic.substr(0, pic.length-5) + "1.gif";
 	else 
 		show = pic.substr(0, pic.length-5) + "0.gif";

    document.getElementById(img).src = show;	
}