function getfilename(name,mode)
{
    return name.substring(0,name.length-5) + mode + name.substring(name.length-4, name.length);
}

function mouseover(imgname)
{
    var img = document.images[imgname];
    img.src = getfilename( img.src, "o" );
}

function mouseout(imgname)
{
    var img = document.images[imgname];
    img.src = getfilename( img.src, "n" );
}

function preloadimg(picname)
{
    i = new Image();
    i.src=picname;
}

function preload()
{
    preloadimg("genimgs/adhesives_o.png");
    preloadimg("genimgs/basics_o.png");
    preloadimg("genimgs/downloads_o.png");
    preloadimg("genimgs/initiator_o.png");
    preloadimg("genimgs/outlook_o.png");
    preloadimg("genimgs/prizes_o.png");
    preloadimg("genimgs/specification_o.png");
    preloadimg("genimgs/application_o.png");
    preloadimg("genimgs/coatings_o.png");
    preloadimg("genimgs/enter_o.png");
    preloadimg("genimgs/jury_o.png");
    preloadimg("genimgs/participation_o.png");
    preloadimg("genimgs/process_o.png");
    preloadimg("genimgs/structure_o.png");
    preloadimg("genimgs/area_o.png");
    preloadimg("genimgs/competition_o.png");
    preloadimg("genimgs/films_o.png");
    preloadimg("genimgs/material_o.png");
    preloadimg("genimgs/partners_o.png");
    preloadimg("genimgs/schedule_o.png");
    preloadimg("genimgs/submission_o.png");
    preloadimg("genimgs/assignment_o.png");
    preloadimg("genimgs/criteria_o.png");
    preloadimg("genimgs/imprint_o.png");
    preloadimg("genimgs/news_o.png");
    preloadimg("genimgs/presses_o.png");
    preloadimg("genimgs/specials_o.png");
    preloadimg("genimgs/veneers_o.png");
}