versOk = (((navigator.appName == "Netscape")&& (parseInt(navigator.appVersion) >= 3))||((navigator.appName == "Microsoft Internet Explorer")&&(parseInt(navigator.appVersion)>=4))); if(versOk){

c1_off = new Image(); c1_off.src="/interface/c-01-off.gif";
c2_off = new Image(); c2_off.src="/interface/c-02-off.gif";
c3_off = new Image(); c3_off.src="/interface/c-03-off.gif";
c4_off = new Image(); c4_off.src="/interface/c-04-off.gif";
c5_off = new Image(); c5_off.src="/interface/c-05-off.gif";

c1_on = new Image(); c1_on.src="/interface/c-01-on.gif";
c2_on = new Image(); c2_on.src="/interface/c-02-on.gif";
c3_on = new Image(); c3_on.src="/interface/c-03-on.gif";
c4_on = new Image(); c4_on.src="/interface/c-04-on.gif";
c5_on = new Image(); c5_on.src="/interface/c-05-on.gif";

}
function rollOn(n){if (versOk){light=eval(n+"on.src");document [n].src=light;}} 
function rollOff(n){if (versOk){dark=eval(n+"off.src");document [n].src=dark;}}