image7on = new Image(); 
image7on.src = "../images/ln_vision_on.gif";
image7off = new Image(); 
image7off.src = "../images/ln_vision_off.gif";
image8on = new Image(); 
image8on.src = "../images/ln_workgroups_on.gif";
image8off = new Image(); 
image8off.src = "../images/ln_workgroups_off.gif";
image9on = new Image(); 
image9on.src = "../images/ln_reports_on.gif";
image9off = new Image(); 
image9off.src = "../images/ln_reports_off.gif";
image10on = new Image(); 
image10on.src = "../images/ln_events_on.gif";
image10off = new Image(); 
image10off.src = "../images/ln_events_off.gif";