var ImgFolder = "img/";

function on(Name, Info) {
   eval("document.images[\"" + Name + "\"].src = \"" + 
      ImgFolder + Name + "_on.gif\"");
   window.status = Info;
}

function off(Name) {
   eval("document.images[\"" + Name + "\"].src = \"" + 
      ImgFolder + Name + "_off.gif\"");
   window.status = "";
}


function Info()
{ if (confirm("Are you sure  ??")) 	history.go(-1); 	else 	return false }