function show_info(elem_id, lang, filename) {
	document.getElementById(elem_id).src='images/portfolio/b00/thumbs/'+lang+'_rolovers/'+filename;
}
function hide_info(elem_id, filename) {
	document.getElementById(elem_id).src='images/portfolio/b00/thumbs/'+filename;
}
function remember_lang(lang) {
	createCookie('userlang',lang,1);
}
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function handle(delta) {
  if (delta <0) // down
	  window.scrollBy(200,0);
  else // up
    window.scrollBy(-200,0);
}
function wheel(event){
  var delta = 0;
  if (!event) event = window.event;
  if (event.wheelDelta) {
    delta = event.wheelDelta/120;
    if (window.opera) delta = -delta;
  } else if (event.detail) {
    delta = -event.detail/3;
  }
  if (delta)
    handle(delta);
}
// Initialization code. 
if (window.addEventListener)
	window.addEventListener('DOMMouseScroll', wheel, false);
	window.onmousewheel = document.onmousewheel = wheel;