var newsSubNavLinks = new Array();

newsSubNavLinks[1] = "news_tradeshows.html";
newsSubNavLinks[2] = "news_pressreleases.html";
newsSubNavLinks[3] = "news_seminars.html";
newsSubNavLinks[4] = "news_newsletter.html";

var newsSubNavArrows = new Array();

for (i=1;i<=4;i++) {
	ind = (i-1)*2;
	newsSubNavArrows[ind] = new Image();
	newsSubNavArrows[ind].src = "images/nav/news/arrow"+i+"_on.gif";
	newsSubNavArrows[ind+1] = new Image();
	newsSubNavArrows[ind+1].src = "images/nav/news/arrow"+i+"_off.gif";
}

var newsSubNavTitles = new Array();

for (i=1;i<=4;i++) {
	ind = (i-1)*2;
	newsSubNavTitles[ind] = new Image();
	newsSubNavTitles[ind].src = "images/nav/news/subnav"+i+"_on.gif";
	newsSubNavTitles[ind+1] = new Image();
	newsSubNavTitles[ind+1].src = "images/nav/news/subnav"+i+"_off.gif";
}

function newsSubNav(sec,doc1,doc2,off) {
	ind = (sec-1)*2;
	doc1.src = newsSubNavArrows[ind+off].src;
	doc2.src = newsSubNavTitles[ind+off].src;
}