function change_img() {
	document.getElementById('text3').style.display = 'none';
}
function go(User){
  window.location.href="mailto:" + User + "@crystalli.com";
}
/*
function popup(href) { 

  var width = '800px';
  var height = '600px';
  window.open("popup.php?img=" + href, '_blank', 'width=' + width + ', height=' + height + ',scrollbars=1,resizable=1');
  return false;
}
*/

/* galerie poze */
function popup(url) {
	w = 700;
	h = 650;
	sw = screen.width - 250;
	sh = screen.height - 250;
	l = (sw - w) / 2;
	t = (sh - h) / 2;
	window.open(url, '_blank', 'width='+sw+',height='+sh+',top='+t+',left='+l+',scrollbars=yes,resizable=yes');	
}