// PRELOADING IMAGES
if (document.images) {
 m_home = new Image(); m_home.src ="buttons/01_a.gif"; 
 m_home_hover = new Image(); m_home_hover.src="buttons/01_b.gif"; 
 m_collection = new Image(); m_collection.src ="buttons/02_a.gif"; 
 m_collection_hover = new Image(); m_collection_hover.src="buttons/02_b.gif";  
 m_downloads = new Image(); m_downloads.src ="buttons/03_a.gif"; 
 m_downloads_hover = new Image(); m_downloads_hover.src="buttons/03_b.gif";   
 m_shopfinder = new Image(); m_shopfinder.src ="buttons/04_a.gif"; 
 m_shopfinder_hover = new Image(); m_shopfinder_hover.src="buttons/04_b.gif";  
 m_dealers = new Image(); m_dealers.src ="buttons/05_a.gif"; 
 m_dealers_hover = new Image(); m_dealers_hover.src="buttons/05_b.gif";  
 m_contact = new Image(); m_contact.src ="buttons/06_a.gif"; 
 m_contact_hover = new Image(); m_contact_hover.src="buttons/06_b.gif";   
}

function handleOverHome() { 
 if (document.images) document.menuhome.src=m_home_hover.src;
 handleSubMenuOut()
}

function handleOverCollection() { 
 if (document.images) document.menucollection.src=m_collection_hover.src;
}

function handleOverDownloads() { 
 if (document.images) document.menudownloads.src=m_downloads_hover.src;
 handleSubMenuOut()
}

function handleOverShopfinder() {
 if (document.images) document.menushopfinder.src=m_shopfinder_hover.src;
 handleSubMenuOut()
}

function handleOverDealers() {
 if (document.images) document.menudealers.src=m_dealers_hover.src;
 handleSubMenuOut()
}

function handleOverContact() {
 if (document.images) document.menucontact.src=m_contact_hover.src;
 handleSubMenuOut()
}

function handleOutHome() {
 if (document.images) document.menuhome.src=m_home.src;
}

function handleOutCollection() { 
 if (document.images) document.menucollection.src=m_collection.src;
}

function handleOutDownloads() {
 if (document.images) document.menudownloads.src=m_downloads.src;
}

function handleOutShopfinder() {
 if (document.images) document.menushopfinder.src=m_shopfinder.src;
}

function handleOutDealers() {
 if (document.images) document.menudealers.src=m_dealers.src;
}

function handleOutContact() {
 if (document.images) document.menucontact.src=m_contact.src;
}

function handleSubMenu() {
 //safe function to hide an element with a specified id
 if (document.getElementById) { // DOM3 = IE5, NS6
   if (document.getElementById('submenudiv').style.visibility == 'visible')
     document.getElementById('submenudiv').style.visibility = 'hidden';
   else
     document.getElementById('submenudiv').style.visibility = 'visible';   
 }
}

function handleSubMenuOut() {
 //safe function to hide an element with a specified id
 if (document.getElementById) { // DOM3 = IE5, NS6
   document.getElementById('submenudiv').style.visibility = 'hidden';
 }

}