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    homebuttonup.src   = "./images/btn_home1.jpg" ;
    homebuttondown     = new Image() ;
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    businessbuttonup       = new Image();
    businessbuttonup.src   = "./images/btn_business1.jpg" ;
    businessbuttondown     = new Image() ;
    businessbuttondown.src = "./images/btn_business2.jpg" ;
    
    marinebuttonup       = new Image();
    marinebuttonup.src   = "./images/btn_marine1.jpg" ;
    marinebuttondown     = new Image() ;
    marinebuttondown.src = "./images/btn_marine2.jpg" ;
     
    contactbuttonup       = new Image();
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    contactbuttondown     = new Image() ;
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}
    
    function buttondown( buttonname ) {
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}

function buttonup ( buttonname ) {
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}

function externalLinks() {
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}
window.onload = externalLinks;
// -->