var Browser = Class.create({
  initialize: function() {
    var userAgent = navigator.userAgent.toLowerCase();
    this.version = (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1];
    this.safari = /webkit/.test( userAgent );
    this.opera = /opera/.test( userAgent );
    this.msie6 = /msie 6.0/.test( userAgent ) && !/opera/.test( userAgent );
    this.msie7 = /msie 7.0/.test( userAgent ) && !/opera/.test( userAgent );
    this.mozilla = /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent );
    this.chrome = /chrome/.test( userAgent ) || /iron/.test( userAgent );
  }
});
var Browser = new Browser();

Blee = Class.create();
Object.extend(Object.extend(Blee.prototype, Effect.Base.prototype), {
  initialize: function() {
  if (Browser.msie6) {		 
  	if ($('fake')) $('fake').remove();
    this.wrapper = document.createElement('div');
    this.wrapper.setAttribute('id','fake');
    Element.setStyle(this.wrapper, {
      position: 'absolute',
      display: 'none'
    });
     document.body.appendChild(this.wrapper);
  } else if (Browser.msie7) {
  	mb = $('apacia').getStyle('margin-bottom');
  	if (mb=='0px') $('apacia').setStyle({'marginBottom':'-1px'}); else if (mb=='-1px') $('apacia').setStyle({'marginBottom':'0px'});

  	$('atsiusti').getElementsByClassName('raskozis').each(function(s) { s.show() }); 
  }
  }
});

function check_polls() {
	var form = document.forms['balsavimas'];
	var checked = getCheckedValue(form.atsakymo_id);
	if (checked) {
		form.submit();
		return true;
	} else {
		alert('Pasirinkite atsakymą.');
		return false;
	}
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}