loaded=0;
przesuw=0;
przewijanemenustop=0;
function wczytajobrazki(url) {
url1=url;
for(i=0;i<4;i++){
url=url1+"?x="+Math.random()*50;
loaded=loaded+1;
   if (window.XMLHttpRequest) {
       req = new XMLHttpRequest();
       req.open("GET", url, false);
       req.send(null);

   	if (req.readyState == 4) {
        if (req.status == 200) {
        x=req.responseText;
	tabstr=x.split("|",3)
        document.getElementById("roller"+loaded).src=tabstr[0];
	document.getElementById("p"+loaded+"a").href=tabstr[1];
	document.getElementById("p"+loaded+"b").href=tabstr[2];
	if(tabstr[2]==""){
		document.getElementById("p"+loaded+"b").style.visibility="hidden";
	}
	else{
		document.getElementById("p"+loaded+"b").style.visibility="visible";
	}
	}
	}
   } else if (window.ActiveXObject) {
       req = new ActiveXObject("Microsoft.XMLHTTP");
       if (req) {
           req.onreadystatechange = processReqChange;
           req.open("GET", url, false);
           req.send();

       }
   }
}
}

function processReqChange() {
   if (req.readyState == 4) {
        if (req.status == 200) {
        x=req.responseText;
	tabstr=x.split("|",3)
        document.getElementById("roller"+loaded).src=tabstr[0];
	document.getElementById("p"+loaded+"a").href=tabstr[1];
	document.getElementById("p"+loaded+"b").href=tabstr[2];
	if(tabstr[2]==""){
		document.getElementById("p"+loaded+"b").style.visibility="hidden";
	}
	else{
		document.getElementById("p"+loaded+"b").style.visibility="visible";
	}
	}
   }
}

function doladujobrazki(url){

str="przesuwaj('"+url+"')"
	setInterval(str,100);

}

function wczytajobrazek(url) {
url=url+"?x="+Math.random()*50;
loaded=loaded+1;
   if (window.XMLHttpRequest) {
       req = new XMLHttpRequest();
       req.open("GET", url, false);
       req.send(null);

   	if (req.readyState == 4) {
        if (req.status == 200) {
        x=req.responseText;
	tabstr=x.split("|",3)
        document.getElementById("roller4").src=tabstr[0];
	document.getElementById("p4a").href=tabstr[1];
	document.getElementById("p4b").href=tabstr[2];
	if(tabstr[2]==""){
		document.getElementById("p4b").style.visibility="hidden";
	}
	else{
		document.getElementById("p4b").style.visibility="visible";
	}
		
   	}
   	}
   } else if (window.ActiveXObject) {
       req = new ActiveXObject("Microsoft.XMLHTTP");
       if (req) {
           req.onreadystatechange = processReqChange2;
           req.open("GET", url, false);
           req.send();

       }
   }
}

function processReqChange2() {

   if (req.readyState == 4) {
       if (req.status == 200) {
	x=req.responseText;
	przesuw=0;
	tabstr=x.split("|",3)
       document.getElementById("roller4").src=tabstr[0];
	document.getElementById("p4a").href=tabstr[1];
	document.getElementById("p4b").href=tabstr[2];
	if(tabstr[2]==""){
		document.getElementById("p4b").style.visibility="hidden";
	}
	else{
		document.getElementById("p4b").style.visibility="visible";
	}
	}
   }
}

function przesuwaj(url){
if(przewijanemenustop!=1){
	przewijanemenuplywaj();
	przesuw = przesuw - 2.5;
	document.getElementById("r1").style.marginTop=przesuw+"px";
	if(przesuw == -135){
		przesuw=0;
		for(i=1;i<4;i++){
		document.getElementById("roller"+i).src=document.getElementById("roller"+(i+1)).src
		document.getElementById("p"+i+"a").href=document.getElementById("p"+(i+1)+"a").href
		document.getElementById("p"+i+"b").href=document.getElementById("p"+(i+1)+"b").href
		document.getElementById("p"+i+"b").style.visibility=document.getElementById("p"+(i+1)+"b").style.visibility
		}
		document.getElementById("r1").style.marginTop=przesuw+"px";
	wczytajobrazek(url)
	}
}
}


function przewijanemenuplywaj(){

  var WysokoscAktualna = 0;
  var WysokoscDokumentu = 0;
  if(window.ActiveXObject){
    WysokoscAktualna = document.body.scrollTop;
    WysokoscDokumentu = document.body.scrollHeight;
  }else if(window.XMLHttpRequest){
    WysokoscAktualna = document.documentElement.scrollTop;
    WysokoscDokumentu = document.documentElement.scrollHeight
  }

	if(WysokoscDokumentu-WysokoscAktualna>WysokoscDokumentu - 300){
		document.getElementById("przewijanemenu").style.marginTop=0+"px";
	}
	else{

	if(WysokoscDokumentu-600-WysokoscAktualna<250){

		document.getElementById("przewijanemenu").style.marginTop=WysokoscAktualna-350+"px";
	}
	else
	{
		document.getElementById("przewijanemenu").style.marginTop=WysokoscAktualna-200+"px";
	}

	}

}