function ocena(id, wartosc) {    
            if (window.XMLHttpRequest)    { xmlhttp=new XMLHttpRequest(); }
            else                        { xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); }
            xmlhttp.onreadystatechange=function()
              {
              if (xmlhttp.readyState==4 && xmlhttp.status==200)
                {
                document.getElementById("txt_ocena_"+id).innerHTML=xmlhttp.responseText;
                }
              }
            xmlhttp.open("GET","http://localhost/vote/add/"+id+"/"+wartosc+".html",true);
            xmlhttp.send();
        }

[PHP] pobierz, plaintext 
	public function add() 
	{
		// Uri
		$this->ip = $_SERVER['REMOTE_ADDR'];
		$this->wpisID = $this->uri->segment(3);
		$this->wartosc = $this->uri->segment(4);
 
		$spr = $this->MVote->spr($this->ip, $this->wpisID);
		if($spr->num_rows == 0) {
			$data = array('ip' => $this->ip,
							'wpisID' => $this->wpisID,
							'ocena' => $this->wartosc);
			$this->MVote->add($data);
			$this->MVote->add_wpis($this->wpisID, $this->wartosc);
 
			echo 'Thank you for vote';
		} else {
			echo 'Your vote is here already';
		}		
	}
[PHP] pobierz, plaintext 

                                        <div id="txt_ocena_<?= $wpisID ?>" class="ocena">
                                            <span style="color:white;font-weight:bold;font-size:15px;float:left;margin-right:5px;">Vote:</span>
                                            <img src="<?= base_url("media/images/smile.png"); ?>" alt="" onClick="ocena(<?= $wpisID ?>, 1);">
                                            <img src="<?= base_url("media/images/sad.png"); ?>" alt="" onClick="ocena(<?= $wpisID ?>, 2);">
                                                                                        <br>
                                            <span style="margin-left:40px;font-size:13px;">
                                            <?= $ocena_tak ?> | <?= $ocena_nie ?>
                                            </span>
                                        </div>