var ie4        = false;
var ie5        = false;
var ns4        = false;
var ns6        = false;
var mac        = false;
var running    = false;
var loaded     = false;
function SetFocus(fieldname,formname){if (formname == ''){ formname = 'form'; }if (eval("document."+formname+".elements[fieldname].value == ''")){ eval("document."+formname+".elements[fieldname].focus();"); }}
function Popup(title,filename, w, h, scroll, resizable){if (title == ''){ title = 'popup'; }if (scroll == 'scroll'){ scroll = 'yes'; }else{ scroll = 'no'; }if (resizable == 'lock'){ resizable = 'no'; }else{ resizable = 'yes'; }winOptions = eval("'width="+w+",height="+h+",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+scroll+",resizable="+resizable+",copyhistory=no'");window.open(filename,title,winOptions);return;}
function Init(){  SetBrowser();  PreloadImages();  loaded = true;  }
function SetBrowser(){
  agent = navigator.userAgent.toLowerCase();
  mac   = (agent.indexOf("mac")!=-1);
  ie4   = (document.all && !document.getElementById) ? true : false;
  ie5   = (document.all && document.getElementById)  ? true : false;
  ns4   = (document.layers)                          ? true : false;
  ns6   = (document.getElementById && !document.all) ? true : false;
  }
function PreloadImages(){
  var num_images = 7;
  ImageOff = new Array(num_images);
  for (var i=0; i<num_images; i++){ ImageOff[i] = new Image(); }
  ImageOff[0].src = "images/aboutus_a.gif";
  ImageOff[1].src = "images/insurance_a.gif";
  ImageOff[2].src = "images/news_a.gif";
  ImageOff[3].src = "images/events_a.gif";
  ImageOff[4].src = "images/links_a.gif";
  ImageOff[5].src = "images/contactus_a.gif";
  ImageOff[6].src = "images/customers_a.gif";
  
  ImageOn = new Array(num_images);
  for (var i=0; i<num_images; i++){ ImageOn[i] = new Image(); }
  ImageOn[0].src = "images/aboutus_b.gif";
  ImageOn[1].src = "images/insurance_b.gif";
  ImageOn[2].src = "images/news_b.gif";
  ImageOn[3].src = "images/events_b.gif";
  ImageOn[4].src = "images/links_b.gif";
  ImageOn[5].src = "images/contactus_b.gif";
  ImageOn[6].src = "images/customers_b.gif";
  }
function Show(elementId){
  if (elementId == null){ return; }
  
  if (ie4 || ie5){
    eval('document.images["nav' + elementId + '"].src = ImageOn[' + elementId + '].src');
    }
  else if (ns4){
    eval('document.images["nav' + elementId + '"].src = ImageOn[' + elementId + '].src');
    }
  else{
    eval('document.getElementById("nav' + elementId + '").src = ImageOn[' + elementId + '].src');
    }
  }
function Hide(elementId){
  if (elementId == null){ return; }
  
  if (ie4 || ie5){
    eval('document.images["nav' + elementId + '"].src = ImageOff[' + elementId + '].src');
    }
  else if (ns4){
    eval('document.images["nav' + elementId + '"].src = ImageOff[' + elementId + '].src');
    }
  else{
    eval('document.getElementById("nav' + elementId + '").src = ImageOff[' + elementId + '].src');
    }
  
  }