if (document.images) {
	homeoff = new Image (0,0);
	documentsoff = new Image (0,0);
	contactoff = new Image (0,0);
	aboutoff = new Image (0,0);
	peopleoff = new Image (0,0);
	jobsearchoff = new Image (0,0);
	peoplesearchoff = new Image (0,0);
	companiesoff = new Image (0,0);
	
	homeon = new Image (0,0);
	documentson = new Image (0,0);
	contacton = new Image (0,0);
	abouton = new Image (0,0);
	peopleon = new Image (0,0);
	jobsearchon = new Image (0,0);
	peoplesearchon = new Image (0,0);
	companieson = new Image (0,0);

	homeoff.src = "http://www.tngglobal.com/images/home_off.gif";
	documentsoff.src = "http://www.tngglobal.com/images/documents_off.gif";
	contactoff.src = "http://www.tngglobal.com/images/contact_off.gif";
	aboutoff.src = "http://www.tngglobal.com/images/about_off.gif";
	peopleoff.src = "http://www.tngglobal.com/images/people_off.gif";
	jobsearchoff.src = "http://www.tngglobal.com/images/job_search_off.gif";
	peoplesearchoff.src = "http://www.tngglobal.com/images/people_search_off.gif";
	companiesoff.src = "http://www.tngglobal.com/images/companies_off.gif";

	homeon.src = "http://www.tngglobal.com/images/home_on.gif";
	documentson.src = "http://www.tngglobal.com/images/documents_on.gif";
	contacton.src = "http://www.tngglobal.com/images/contact_on.gif";
	abouton.src = "http://www.tngglobal.com/images/about_on.gif";
	peopleon.src = "http://www.tngglobal.com/images/people_on.gif";
	jobsearchon.src = "http://www.tngglobal.com/images/job_search_on.gif";
	peoplesearchon.src = "http://www.tngglobal.com/images/people_search_on.gif";
	companieson.src = "http://www.tngglobal.com/images/companies_on.gif";
	
}

function act(imgName) {

	if (document.images) {
		document[imgName].src = eval(imgName + 'on.src');
	}
   
}

function inact(imgName) {

	if (document.images) {
		document[imgName].src = eval(imgName + 'off.src');
	}
   
}