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if (document.images) {
Inav_01_01 = new Image(174, 60);Inav_01_01.src = 'images/nav_about.gif';
Inav_01_01o = new Image(174, 60);Inav_01_01o.src = 'images/nav_about_over.gif';
Inav_02_01 = new Image(174, 37);Inav_02_01.src = 'images/nav_books.gif';
Inav_02_01o = new Image(174, 37);Inav_02_01o.src = 'images/nav_books_over.gif';
Inav_03_01 = new Image(174, 39);Inav_03_01.src = 'images/nav_london.gif';
Inav_03_01o = new Image(174, 39);Inav_03_01o.src = 'images/nav_london_over.gif';
Inav_04_01 = new Image(174, 37);Inav_04_01.src = 'images/nav_contact.gif';
Inav_04_01o = new Image(174, 37);Inav_04_01o.src = 'images/nav_contact_over.gif';
Inav_05_01 = new Image(174, 64);Inav_05_01.src = 'images/nav_news.gif';
Inav_05_01o = new Image(174, 64);Inav_05_01o.src = 'images/nav_news_over.gif';

Inav_06_01 = new Image(108, 31);Inav_06_01.src = 'images/subnav_smoke.gif';
Inav_06_01o = new Image(108, 31);Inav_06_01o.src = 'images/subnav_smoke_over.gif';
Inav_07_01 = new Image(210, 31);Inav_07_01.src = 'images/subnav_spectres.gif';
Inav_07_01o = new Image(210, 31);Inav_07_01o.src = 'images/subnav_spectres_over.gif';

Inav_08_01 = new Image(185, 44);Inav_08_01.src = 'images/home_about.gif';
Inav_08_01o = new Image(185, 44);Inav_08_01o.src = 'images/home_about_over.gif';
Inav_09_01 = new Image(110, 44);Inav_09_01.src = 'images/home_books.gif';
Inav_09_01o = new Image(110, 44);Inav_09_01o.src = 'images/home_books_over.gif';
Inav_10_01 = new Image(126, 44);Inav_10_01.src = 'images/home_london.gif';
Inav_10_01o = new Image(126, 44);Inav_10_01o.src = 'images/home_london_over.gif';
Inav_11_01 = new Image(134, 44);Inav_11_01.src = 'images/home_contact.gif';
Inav_11_01o = new Image(134, 44);Inav_11_01o.src = 'images/home_contact_over.gif';
Inav_12_01 = new Image(206, 44);Inav_12_01.src = 'images/home_news.gif';
Inav_12_01o = new Image(206, 44);Inav_12_01o.src = 'images/home_news_over.gif';




}
function di(id,name){
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}

// function that displays status bar message

function dm(msgStr) {
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}
var showMsg = navigator.userAgent != "Mozilla/4.0 (compatible; MSIE 4.0; Mac_PowerPC)";
function dmim(msgStr) {
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  if (showMsg) { 
    window.status = msgStr;
    document.returnValue = true;
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}

//-->