//var timetId = null;
var sdelay = 7;

Event.observe(window, 'load', fadeDiv);

function fadeDiv() {
    new Effect.Fade('kura', {delay: sdelay, duration: 2, from:1, to:0.05, afterFinish: changeDivImage});
}

function changeDivImage() {
  var simage = getImageName('');
  $('kura').setStyle({'background-image':'url(/images/'+simage+')'});
	new Effect.Appear('kura', {duration: 2, from:0.05, to:1, afterFinish: fadeDiv});
}

function getImageName(image)
{
  var from = 1;
  var to = 4;
  var num = (Math.floor(Math.random()*to+from));
  var new_image = 'bkg_kura'+num+'.jpg';
  
  if (new_image == image) {
    getImageName(new_image); 
  } else {
    return new_image;
  }
}

/*function backgroundChange(pBackground)

        //Effect.Fade('kura', { duration: 3.5, from:0, to:1 });
        $('kura').setStyle({'background-image':'url('+pBackground+')'});
        new Effect.Appear('kura', { duration: 5, from:0, to:1, afterFinish: function (obj) { new Effect.Fade('kura', {delay: 10, duration: 5, from:1, to:0 })}})

}

function imageRotator() {
    var from = 1;
    var to = 4;
    var num = (Math.floor(Math.random()*to+from));
    var url = '/images/bkg_kura'+num+'.jpg';
    backgroundChange(url);
}

function startTimer() {
    imageRotator();
    timerId = setTimeout("startTimer()", sdelay);
}
Event.observe(window, 'load', startTimer);


function bookmarksite(title,url){
    if (navigator.appName === "Microsoft Internet Explorer")
        window.external.AddFavorite(url, title);
    else
        if(window.opera && window.print) { // Opera Browser
        var elem = document.createElement('a');
        elem.setAttribute('href',url);
        elem.setAttribute('title',title);
        elem.setAttribute('rel','sidebar');
        elem.click();
    }
    else { // Other Browsers
        window.sidebar.addPanel(title, url, "");
    }
}
*/

function toggleMenu(el, over)
{
    if (over) {
        Element.addClassName(el, 'over');
    }
    else {
        Element.removeClassName(el, 'over');
    }
}