var index = 0;
var xmlhttp = new Array();

function change_newbikes(){
	if(window.XMLHttpRequest){
     	xmlhttp.push(new XMLHttpRequest());
	}
	else if(window.ActiveXObject){
	     xmlhttp.push(new ActiveXObject("Microsoft.XMLHTTP"));
	}
	index = xmlhttp.length - 1;
     if(xmlhttp[index]){
     	var obj = document.getElementById("newBikes");
          xmlhttp[index].open("GET", "stranky/_novinky.php", true);
          xmlhttp[index].onreadystatechange = function() {
               if(xmlhttp[index].readyState == 4 && xmlhttp[index].status == 200){
                    obj.innerHTML = xmlhttp[index].responseText;
               }
          }
          xmlhttp[index].send(null);
     }
}

function openWindow() { window.open("","FullImage",'toolbar=0,location=0,scrollbars=0,width=150,height=150,resizable=0,top=20,left=20'); }
function setWindow() { window.resizeTo(obr.width+10, obr.height+40) }