browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)))
ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 5 ))
ns4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4.5 ))

if (browser){


deston = new Image();
deston.src = "img/pixel_red.gif";
destoff = new Image();
destoff.src = "img/spacer.gif";

diverson = new Image();
diverson.src = "img/pixel_red.gif";
diversoff = new Image();
diversoff.src = "img/spacer.gif";

prodon = new Image();
prodon.src = "img/pixel_red.gif";
prodoff = new Image();
prodoff.src = "img/spacer.gif";

preson = new Image();
preson.src = "img/pixel_red.gif";
presoff = new Image();
presoff.src = "img/spacer.gif";

diron = new Image();
diron.src = "img/pixel_red.gif";
diroff = new Image();
diroff.src = "img/spacer.gif";

dest_texton = new Image();
dest_texton.src = "img/dest_ther_on.gif";
dest_textoff = new Image();
dest_textoff.src = "img/dest_ther_off.gif";

divers_texton = new Image();
divers_texton.src = "img/diversification_on.gif";
divers_textoff = new Image();
divers_textoff.src = "img/diversification_off.gif";

prod_texton = new Image();
prod_texton.src = "img/prod_pipe_on.gif";
prod_textoff = new Image();
prod_textoff.src = "img/prod_pipe_off.gif";

pres_texton = new Image();
pres_texton.src = "img/pres_letter_on.gif";
pres_textoff = new Image();
pres_textoff.src = "img/pres_letter_off.gif";

dir_texton = new Image();
dir_texton.src = "img/directory_on.gif";
dir_textoff = new Image();
dir_textoff.src = "img/directory_off.gif";


}

function imgOn(Name) {
	if (document.images) {
	document[Name].src = eval(Name + "on.src");
	document[Name + "_text"].src = eval(Name + "_texton.src");
	
	}
}

function imgOff(Name) {
	if (document.images) {
	document[Name].src = eval(Name + "off.src");
	document[Name + "_text"].src = eval(Name + "_textoff.src");
	
	}
}