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


b1_off = new Image(); b1_off.src="interface/b1_off.gif";	                b2_off = new Image(); b2_off.src="interface/b2_off.gif";	  b3_off = new Image(); b3_off.src="interface/b3_off.gif";             		b4_off = new Image(); b4_off.src="interface/b4_off.gif";     		b5_off = new Image(); b5_off.src="interface/b5_off.gif";		b6_off = new Image(); b6_off.src="interface/b6_off.gif";		b7_off = new Image(); b7_off.src="interface/b7_off.gif";		b8_off = new Image(); b8_off.src="interface/b8_off.gif";
b1_on = new Image(); b1_on.src="interface/b1_on.gif";						b2_on = new Image(); b2_on.src="interface/b2_on.gif";		b3_on = new Image(); b3_on.src="interface/b3_on.gif";						b4_on = new Image(); b4_on.src="interface/b4_on.gif"; 				b5_on = new Image(); b5_on.src="interface/b5_on.gif"; 			b6_on = new Image(); b6_on.src="interface/b6_on.gif"; 			b7_on = new Image(); b7_on.src="interface/b7_on.gif"; 			b8_on = new Image(); b8_on.src="interface/b8_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;}}