// Browser Detection
browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion); 
if (browser_name == "Netscape" && browser_version >= 3.0) 
        { roll = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0)
        { roll = 'true'; }
else { roll = 'false'; }

// Preload images, if browser supports mouseovers
if (roll == 'true') {
        var imglist = new Array (
                "images/header_topnav_00.gif",
                "images/header_topnav_01.gif",
                "images/header_topnav_02.gif",
                "images/header_topnav_03.gif",
                "images/header_topnav_04.gif",
                "images/header_topnav_05.gif",
                "images/header_btmnav_010.gif",
                "images/header_btmnav_020.gif",
                "images/header_btmnav_030.gif",
                "images/header_btmnav_040.gif",
                "images/header_btmnav_050.gif",
                "images/header_btmnav_060.gif",
                "images/header_btmnav_070.gif",
                "images/header_btmnav_011.gif",
                "images/header_btmnav_021.gif",
                "images/header_btmnav_031.gif",
                "images/header_btmnav_041.gif",
                "images/header_btmnav_051.gif",
                "images/header_btmnav_061.gif",
                "images/header_btmnav_071.gif",
                "images/left_emailsignup_00.gif",
                "images/left_emailsignup_01.gif",
                "images/left_contributenow_00.gif",
                "images/left_contributenow_01.gif",
                "images/left_writeyourreps_00.gif",
                "images/left_writeyourreps_01.gif",
                "images/left_mynraila_00.gif",
                "images/left_mynraila_01.gif",
                "images/left_registertovote_00.gif",
                "images/left_registertovote_01.gif",
                "images/education_00.gif",
                "images/education_01.gif",
                "images/education_02.gif",
                "images/education_03.gif",
                "images/media_00.gif",
                "images/media_01.gif"
                );
var imgs = new Array();
var count;
if (document.images)
 for (count=0; count<imglist.length; count++)
  {imgs[count]=new Image(); imgs[count].src=imglist[count];}}


// Use this code if you are only doing one mouseover
function msover1(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function msout1(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }