var xmlhttp;                                                                    

function GetXmlHttpObject()
{                          
        if (window.XMLHttpRequest)
        {                         
                // code for IE7+, Firefox, Chrome, Opera, Safari
                return new XMLHttpRequest();                    
        }                                                       
        if (window.ActiveXObject)                               
        {                                                       
                // code for IE6, IE5                            
                return new ActiveXObject("Microsoft.XMLHTTP");  
        }                                                       
        return null;                                            
}                                                               

var httpObject = null;
var httpObject2 = null;
var httpObject3 = null;
var httpObject4 = null;

function hyperLink(linkID) {
        httpObject2 = GetXmlHttpObject();
        if (httpObject2 != null) {
                httpObject2.open("GET", "index.php?sub=tresc&subPage="+linkID + "&dummy=" + new Date().getTime(), true);
                httpObject2.send(null);
                httpObject2.onreadystatechange = function() {
                if(httpObject2.readyState == 4)
                        {
                                document.getElementById('tresc_inside').innerHTML = httpObject2.responseText;
                                initLightbox();
                        }
                }
        }
        httpObject3 = GetXmlHttpObject();
        if (httpObject3 != null) {
                httpObject3.open("GET", "index.php?sub=trescNaglowek&subPage="+linkID + "&dummy=" + new Date().getTime(), true);
                httpObject3.send(null);
                httpObject3.onreadystatechange = function() {
                        if(httpObject3.readyState == 4) {
                                document.getElementById('tresc_naglowek').innerHTML = "<img src=\"images/arrow.gif\" id=\"arrow\" alt=\"strzałka\" />"+httpObject3.responseText;
                        }
                }
        }

}