var uagent,uappVersion,uappName
uappName=navigator.appName
uappVersion=navigator.appVersion
uagent=navigator.userAgent

if ((uagent.substring(25,29) == "MSIE" && uagent.charAt(30) > 3) || (uappName == "Netscape" && uappVersion.substring(0,3) > 3))

{

img1off= new Image;
img1off.src="images/nav/nav_home.gif";
img2off= new Image;
img2off.src="images/nav/nav_about.gif";
img3off= new Image;
img3off.src="images/nav/nav_join.gif";
img4off= new Image;
img4off.src="images/nav/nav_schools.gif";
img5off= new Image;
img5off.src="images/nav/nav_contact.gif";
img6off= new Image;
img6off.src="images/nav/nav_calendar.gif";
img7off= new Image;
img7off.src="images/nav/nav_student_corner.gif";
img8off= new Image;
img8off.src="images/nav/nav_mission.gif";
img9off= new Image;
img9off.src="images/nav/nav_highlights.gif";
img10off= new Image;
img10off.src="images/nav/nav_press.gif";
img11off= new Image;
img11off.src="images/nav/nav_support.gif";
img12off= new Image;
img12off.src="images/nav/nav_event.gif";
img13off= new Image;
img13off.src="images/nav/nav_scholarships.gif";
img14off= new Image;
img14off.src="images/nav/nav_funders.gif";


img1on= new Image;
img1on.src="images/nav/nav_home2.gif";
img2on= new Image;
img2on.src="images/nav/nav_about2.gif";
img3on= new Image;
img3on.src="images/nav/nav_join2.gif";
img4on= new Image;
img4on.src="images/nav/nav_schools2.gif";
img5on= new Image;
img5on.src="images/nav/nav_contact2.gif";
img6on= new Image;
img6on.src="images/nav/nav_calendar2.gif";
img7on= new Image;
img7on.src="images/nav/nav_student_corner_img.gif";
img8on= new Image;
img8on.src="images/nav/nav_mission2.gif";
img9on= new Image;
img9on.src="images/nav/nav_highlights2.gif";
img10on= new Image;
img10on.src="images/nav/nav_press2.gif";
img11on= new Image;
img11on.src="images/nav/nav_support2.gif";
img12on= new Image;
img12on.src="images/nav/nav_event2.gif";
img13on= new Image;
img13on.src="images/nav/nav_scholarships2.gif";
img14on= new Image;
img14on.src="images/nav/nav_funders2.gif";

}

function active(imgName){

if ((uagent.substring(25,29) == "MSIE" && uagent.charAt(30) > 3) || (uappName == "Netscape" && uappVersion.substring(0,3) > 3)){

document[imgName].src = eval(imgName + "on.src");

}
}

function inActive(imgName){

if ((uagent.substring(25,29) == "MSIE" && uagent.charAt(30) > 3) || (uappName == "Netscape" && uappVersion.substring(0,3) > 3)){

document[imgName].src = eval(imgName + "off.src");

}
}