browserName = navigator.appName;
		browserVer = parseInt (navigator.appVersion);
			if ((browserName == "Netscape" && browserVer >= 3)
			|| (browserName == "Microsoft Internet Explorer" && browserVer >= 4))
			version = "n3";
			else version = "n2";


	toc1on = new Image(20,150);
	toc1on.src = "assets/structure/aboutus_on.gif";
	toc2on = new Image(20,150);
	toc2on.src = "assets/structure/officers_on.gif";
	toc3on = new Image(20,150);
	toc3on.src = "assets/structure/events_on.gif";
	toc4on = new Image(20,150);
	toc4on.src = "assets/structure/info_on.gif";
	toc5on = new Image(20,150);
	toc5on.src = "assets/structure/friends_on.gif";
	toc6on = new Image(20,150);
	toc6on.src = "assets/structure/jobs_on.gif";
    toc7on = new Image(20,150);
	toc7on.src = "assets/structure/tradeshows_on.gif";
	toc8on = new Image(20,150);
	toc8on.src = "assets/structure/contactus_on.gif";
	toc9on = new Image(20,150);
	toc9on.src = "assets/structure/newsletter_on.gif";
	toc10on = new Image(20,150);
	toc10on.src = "assets/structure/membership_on.gif";

	toc1off = new Image(20,150);
	toc1off.src = "assets/structure/aboutus_off.gif";
	toc2off = new Image(20,150);
	toc2off.src = "assets/structure/officers_off.gif";
	toc3off = new Image(20,150);
	toc3off.src = "assets/structure/events_off.gif";
	toc4off = new Image(20,150);
	toc4off.src = "assets/structure/info_off.gif";
	toc5off = new Image(20,150);
	toc5off.src = "assets/structure/friends_off.gif";
	toc6off = new Image(20,150);
	toc6off.src = "assets/structure/jobs_off.gif";
    toc7off = new Image(20,150);
	toc7off.src = "assets/structure/tradeshows_off.gif";
	toc8off = new Image(20,150);
	toc8off.src = "assets/structure/contactus_off.gif";
	toc9off = new Image(20,150);
	toc9off.src = "assets/structure/newsletter_off.gif";
	toc10off = new Image(20,150);
	toc10off.src = "assets/structure/membership_off.gif";


function img_act (imgName) {
	if (version == "n3") {
	imgOn = eval (imgName + "on.src");
	document [imgName].src = imgOn;
	}
}

function img_inact (imgName) {
	if (version == "n3") {
	imgOff = eval(imgName + "off.src");
	document [imgName].src = imgOff;
	}
}

// Get Screen size 
var myscreen_width = screen.width;

if(myscreen_width >= 1000) { 
var myFoto = "1"; 
} else { 
var myFoto = "0" ;
}

// get current year
now = new Date;

thisYr = now.getYear();

if (thisYr < 1900) {
thisYr = thisYr + 1900;
}