if (navigator.appVersion.substring(0,1) >= 3) version= "3";
else version = "2"

if (version=="3") {	
		img1_aover = new Image();
		img1_aover.src = "images/_about_mission_on.gif";
		img1_aoff = new Image();
		img1_aoff.src = "images/_about_mission_off.gif";
		
		img2_aover = new Image();
		img2_aover.src = "images/_about_different_on.gif";
		img2_aoff = new Image();
		img2_aoff.src = "images/_about_different_off.gif";
		
		img3_aover = new Image();
		img3_aover.src = "images/_about_history_on.gif";
		img3_aoff = new Image();
		img3_aoff.src = "images/_about_history_off.gif";
						
		img4_aover = new Image();
		img4_aover.src = "images/_about_jobs_on.gif";
		img4_aoff = new Image();
		img4_aoff.src = "images/_about_jobs_off.gif";
		
		img5_aover = new Image();
		img5_aover.src = "images/_about_headlines_on.gif";
		img5_aoff = new Image();
		img5_aoff.src = "images/_about_headlines_off.gif";
		
		img6_aover = new Image();
		img6_aover.src = "images/_about_contact_on.gif";
		img6_aoff = new Image();
		img6_aoff.src = "images/_about_contact_off.gif";
		
	}

	function imgOver(imgName) {
			if (version=="3") {
				document[imgName].src = eval(imgName + "over.src");	   
			}
	}

	function imgOff(imgName) {
			if (version=="3") {
				document[imgName].src = eval(imgName + "off.src");		
			}
	}