var navname,navvers,newsnavc=0,sidebarcnt;

navname=navigator.appName;
navvers=parseInt(navigator.appVersion);

js_ok = ((navname == "Microsoft Internet Explorer") && (navvers >= 4 )) || ((navname == "Netscape") && (navvers >= 4 ));
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

if (js_ok) {
	bullet_on=new Image();
	bullet_on.src="/images/common/indicator.gif";

	bullet_off=new Image();
	bullet_off.src="/images/common/indicator_off.gif";
}

function preload() {
	// preload images common to other pages
	var arImageSrc = new Array(
							"/images/common/nav.gif",
							"/images/common/h1_contact.gif",
							"/images/common/h1_contact_ro.gif",
							"/images/common/h1_home.gif",
							"/images/common/h1_home_ro.gif",
							"/images/common/h1_search.gif",
							"/images/common/h1_search_ro.gif",
							"/images/common/h1_www.gif",
							"/images/common/h2.gif",
							"/images/common/mainfrm_bl.gif",
							"/images/common/mainfrm_br.gif"
							);
	arImageList = new Array ();

	for (counter in arImageSrc) {
		arImageList[counter] = new Image();
		arImageList[counter].src = arImageSrc[counter];
	}
	
	//preload images specific to current page
	preload2();
}

function makenavbar() {
   var bottompad,leftpad,cursorwidth;
   
	// left navbar
	sidebarcnt=0
	bottompad=3;
	leftpad=8;
	cursorwidth=107;
	menuitem('navbar','/','Home Page',bottompad,leftpad,cursorwidth);
	menuitem('navbar','/mission.html','Mission',bottompad,leftpad,cursorwidth);
	menuitem('navbar','/profile/introduction.html','Profile',bottompad,leftpad,cursorwidth);
	menuitem('navbar','/contact/offices.jsp','Contact Us',bottompad,leftpad,cursorwidth);
	menuitem('navbar','/','News Wire',bottompad,leftpad,cursorwidth);
	menuitem('navbar','/careers/','Careers',bottompad,leftpad,cursorwidth);
	menuitem('navbar','/','FTP Site',bottompad,leftpad,cursorwidth);
	menuitem('navbar','/sitemap.html','Site Map',bottompad,leftpad,cursorwidth);
}

function menuitem(barname,href,alt,bottompad,leftpad,cursorwidth) {
	name=barname+sidebarcnt;
	sidebarcnt++;
	document.write('<a href="'+href+'"');
	document.write(' onmouseout="menuch(\''+name+'\',0);" onmouseover="menuch(\''+name+'\',1);">');
	document.write('<img src="/images/common/spacer.gif" width="'+cursorwidth+'" height="21" hspace='+leftpad+'" border="0" name="'+name+'"');
	document.write('alt="Click for: '+alt+'"></a><br>');
	document.write('<img src="/images/common/spacer.gif" height="'+bottompad+'" border="0"><br>');
}

function menuch(sel,hilo) {
	if (js_ok) {
		toeval='';

		if (hilo==1) {
			toeval='document.'+sel+'.src=bullet_on.src;\n';
		} else {
			toeval='document.'+sel+'.src=bullet_off.src;\n';
		}
		if (toeval!='') eval(toeval);
	}
}