if (navigator.appVersion.indexOf("2.") != -1){
       check = false;
}

if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)){
     check = false;
} else {
     check = true;
}


letter = new Image();
letter.src = "images/ill_newsletter_off.jpg";
letteron = new Image();
letteron.src = "images/ill_newsletter_on.jpg";

gallery = new Image();
gallery.src = "images/main_left_b_off.jpg";
galleryon = new Image();
galleryon.src = "images/main_left_b_on.jpg";

tab1 = new Image();
tab1.src = "images/chk_tabs_services_off.jpg";
tab1on = new Image();
tab1on.src = "images/chk_tabs_services_on.jpg";

tab2 = new Image();
tab2.src = "images/chk_tabs_about_off.jpg";
tab2on = new Image();
tab2on.src = "images/chk_tabs_about_on.jpg";

tab2_home = new Image();
tab2_home.src = "images/about_off.jpg";
tab2_homeon = new Image();
tab2_homeon.src = "images/about_on.jpg";

tab1_home = new Image();
tab1_home.src = "images/services_off.jpg";
tab1_homeon = new Image();
tab1_homeon.src = "images/services_on.jpg";


mh_home  = new Image();
mh_home.src = "images/mainnav/mn_home_off.jpg";
mh_homeon = new Image();
mh_homeon.src = "images/mainnav/mn_home_on.jpg";

mh_contact  = new Image();
mh_contact.src = "images/mainnav/mn_contact_off.jpg";
mh_contacton = new Image();
mh_contacton.src = "images/mainnav/mn_contact_on.jpg";

mh_about  = new Image();
mh_about.src = "images/mainnav/mn_about_off.jpg";
mh_abouton = new Image();
mh_abouton.src = "images/mainnav/mn_about_on.jpg";

mh_orderstatus  = new Image();
mh_orderstatus.src = "images/mainnav/mn_status_off.jpg";
mh_orderstatuson = new Image();
mh_orderstatuson.src = "images/mainnav/mn_status_on.jpg";

mh_myaccount  = new Image();
mh_myaccount.src = "images/mainnav/mn_account_off.jpg";
mh_myaccounton = new Image();
mh_myaccounton.src = "images/mainnav/mn_account_on.jpg";

mh_cart  = new Image();
mh_cart.src = "images/mainnav/mn_cart_off.jpg";
mh_carton = new Image();
mh_carton.src = "images/mainnav/mn_cart_on.jpg";

mh_help  = new Image();
mh_help.src = "images/mainnav/mn_help_off.jpg";
mh_helpon = new Image();
mh_helpon.src = "images/mainnav/mn_help_on.jpg";

mh_forums  = new Image();
mh_forums.src = "images/mainnav/mn_forums_off.jpg";
mh_forumson = new Image();
mh_forumson.src = "images/mainnav/mn_forums_on.jpg";



function imageon(name)   {

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

function imageoff(name)  {

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

}

function on(name)  {
        if (check == true){
                imageon(name);}
}
function off(name)  {
        if (check == true){
                imageoff(name);}
}


function MainMColorOver(TRid, TDid){ 
	document.getElementById(TRid).bgColor = "#EFEFEF"; 
	document.getElementById(TDid).bgColor = "#FF6600"; 
} 

function MainMColorOut(TRid, TDid){ 
	document.getElementById(TRid).bgColor = "#E5E8DB"; 
	document.getElementById(TDid).bgColor = "#F5F6F1"; 
}