<!-- hide JavaScript code from browsers that are not JavaScript enabled
if (document.images) { // if browser supports images
//Preload our images

var nav_hom_on = new Image(100,17);
nav_hom_on.src = "../img/nav_homx.gif"

var nav_inf_on = new Image(100,23);
nav_inf_on.src = "../img/nav_infx.gif"

var nav_akt_on = new Image(100,23);
nav_akt_on.src = "../img/nav_aktx.gif"

var nav_pro_on = new Image(100,23);
nav_pro_on.src = "../img/nav_prox.gif"

var nav_spe_on = new Image(100,23);
nav_spe_on.src = "../img/nav_spex.gif"

var nav_mit_on = new Image(100,17);
nav_mit_on.src = "../img/nav_mitx.gif"

var nav_gae_on = new Image(100,17);
nav_gae_on.src = "../img/nav_gaex.gif"

var nav_kon_on = new Image(100,17);
nav_kon_on.src = "../img/nav_konx.gif"

var nav_sat_on = new Image(100,17);
nav_sat_on.src = "../img/nav_satx.gif"

var nav_lin_on = new Image(100,16);
nav_lin_on.src = "../img/nav_linx.gif"

}

function pressed(imageName) {
if (document.images) { // if browser supports images
if( eval(imageName + "_on.complete") ) { //is the image completely downloaded
document.images[imageName].src = eval( imageName + "_on.src" );
}
}
} //end function pressed

function normal(imageName) {
if (document.images) { // if browser supports images
document.images[imageName].src = "../img/" + imageName + ".gif";
}
} // end function normal

//end hiding of JavaScript code -->