if (document.images) {

var nav_ip_ad = new Image();nav_ip_ad.src = 'pix/nav_ip_ad.gif';
var nav_ip_kantech = new Image();nav_ip_kantech.src = 'pix/nav_ip_kantech.gif';
var nav_ip_soft = new Image();nav_ip_soft.src = 'pix/nav_ip_soft.gif';
var nav_ip_quick = new Image();nav_ip_quick.src = 'pix/t_needs_button.gif';
var nav_ip_cases = new Image();nav_ip_cases.src = 'pix/nav_ip_cases.gif';
var nav_ip_home = new Image();nav_ip_home.src = 'pix/nav_home.gif';

var nav_ip_ad_on = new Image();nav_ip_ad_on.src = 'pix/nav_ip_ad_on.gif';
var nav_ip_kantech_on = new Image();nav_ip_kantech_on.src = 'pix/nav_ip_kantech_on.gif';
var nav_ip_soft_on = new Image();nav_ip_soft_on.src = 'pix/nav_ip_soft_on.gif';
var nav_ip_quick_on = new Image();nav_ip_quick_on.src = 'pix/t_needs_button_over.gif';
var nav_ip_cases_on = new Image();nav_ip_cases_on.src = 'pix/nav_ip_cases_on.gif';
var nav_ip_home_on = new Image();nav_ip_home_on.src = 'pix/nav_home_on.gif';

//homepage images
var btn_quiz = new Image();btn_quiz.src = 'pix/btn_quiz.gif';
var btn_quiz_on = new Image();btn_quiz_on.src = 'pix/btn_quiz_on.gif';

var t_needs = new Image();t_needs.src = 'pix/t_needs.gif';
var t_needs_on = new Image();t_needs_on.src = 'pix/t_needs_over.gif';

var btn_cases = new Image();btn_cases.src = 'pix/btn_cases.gif';
var btn_cases_on = new Image();btn_cases_on.src = 'pix/btn_cases_on.gif';

var btn_ad = new Image();btn_ad.src = 'pix/btn_ad.gif';
var btn_ad_on = new Image();btn_ad_on.src = 'pix/btn_ad_on.gif';

var btn_soft = new Image();btn_soft.src = 'pix/btn_soft.gif';
var btn_soft_on = new Image();btn_soft_on.src = 'pix/btn_soft_on.gif';

var btn_kantech = new Image();btn_kantech.src = 'pix/btn_kantech.gif';
var btn_kantech_on = new Image();btn_kantech_on.src = 'pix/btn_kantech_on.gif';

}
function ChangeImg(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}

function openWindow(url, name) {
  popupWin = window.open(url, name, 'menubar=no,status=no,toolbars=no,resizable=no,scrollbars=yes,width=568,height=550,screenX=100,left=100,screenY=0,top=0')
popupWin.focus()
}