// JavaScript Document
function random_top_img(){
imgnum = Math.floor (Math.random () * 3) + 1
url = 'url(images_common/top_0'+imgnum+'.jpg)';
document.all('top_container').style.backgroundImage = url;
};
function random_top_img_en(){
imgnum = Math.floor (Math.random () * 3) + 1
url = 'url(../images_common/top_0'+imgnum+'.jpg)';
document.all('top_container').style.backgroundImage = url;
};
function disable_links_outline() {
var blur = function () { this.blur() };
for (var i = 0; i < document.links.length; i++)
document.links[i].onfocus = blur;
}