$(document).ready(function(){
    lastBlock = $("#a1");
    maxWidth = 100;
    minWidth = 40;	

    $("ul.topnav > li a").hover(
      function(){
        $(lastBlock).animate({width: minWidth+"px"}, { queue:false, duration:400 });
	$(this).animate({width: maxWidth+"px"}, { queue:false, duration:400});
	lastBlock = this;
      }
    );
});

























var bg = new Array();
bg[0] = '/random-main/main1.jpg';
bg[1] = '/random-main/main2.jpg';
bg[2] = '/random-main/main3.jpg';
bg[3] = '/random-main/main4.jpg';
bg[4] = '/random-main/main5.jpg';
bg[5] = '/random-main/main6.jpg';

var cur = Math.round(bg.length * Math.random());

if (cur == bg.length) cur = cur-1;


document.write('<style type="text/css">');
document.write('body { background: #202020 url(' + bg[cur] + ') no-repeat top center; }');
document.write('<\/style>');