function preload_images( )
{
    imageArray = new Array( );
    imageArray[0] = '/img/nav/home2.png';
    imageArray[1] = '/img/nav/about2.png';
    imageArray[2] = '/img/nav/services2.png';
    imageArray[3] = '/img/nav/portfolio2.png';
    imageArray[4] = '/img/nav/quote2.png';
    imageArray[5] = '/img/services/mouseover.png';
    
    preloads = new Array( );
    for( i = 0; i < imageArray.length; i++ )
    {
        preloads[i] = new Image( );
        preloads[i].src = imageArray[i];
    }
}