if (document.images) {
    img1_open           = new Image();
    img1_closed         = new Image();
    img1_klik           = new Image();
    img2_open           = new Image();
    img2_closed         = new Image();
    img2_klik           = new Image();
	img3_open           = new Image();
    img3_closed         = new Image();
    img3_klik           = new Image();
    img4_open           = new Image();
    img4_closed         = new Image();
    img4_klik           = new Image();
    img5_open           = new Image();
    img5_closed         = new Image();
    img5_klik           = new Image();
   
    img1_open.src      = "newimages/buttons/nachalo.png";
    img1_closed.src    = "newimages/buttons/nachalo1.png";
	img1_klik.src      = "newimages/buttons/nachalo2.png";
    img2_open.src      = "newimages/buttons/button_projekts.png";
    img2_closed.src    = "newimages/buttons/button_projekts1.png";
	img2_klik.src      = "newimages/buttons/button_projekts2.png";
    img3_open.src      = "newimages/buttons/friends.png";
    img3_closed.src    = "newimages/buttons/friends1.png";
	img3_klik.src      = "newimages/buttons/friends2.png";
    img4_open.src      = "newimages/buttons/drugo.png";
    img4_closed.src    = "newimages/buttons/drugo1.png";
	img4_klik.src      = "newimages/buttons/drugo2.png";
    img5_open.src      = "newimages/buttons/button_kontakt.png";
    img5_closed.src    = "newimages/buttons/button_kontakt1.png";
	img5_klik.src      = "newimages/buttons/button_kontakt2.png";
}

function over(i)
{
    if (document.images)
        eval('document.img'+i+'.src=img'+i+'_open.src');
}

function out(k)
{
    if (document.images)
        eval('document.img'+k+'.src=img'+k+'_closed.src');
}

function down(m)
{
    if (document.images)
        eval('document.img'+m+'.src=img'+m+'_klik.src');
}