showNahradaPneu = function(counter,id,pocet,nazev) {
    var objName="rowNum"+counter;
  	zleva = xObject(objName).offsetLeft;
		zhora = xObject(objName).offsetTop;
		//alert (zhora+" "+zleva);
		xObject('nahradapneu').style.left = (zleva)-470+"px";
		xObject('nahradapneu').style.top = (zhora)-5+"px";
		xObject('alternate').innerHTML = nazev;
		xObject('nahradapneuFrm').value=pocet;
		
    getPneu(id,pocet);
  	TimedElementShow('nahradapneu');
}

getPneu = function(id,pocet) {
	var request='id='+id+'&pocet='+pocet;
	if (!send_httprequest(getPneuWorker, 'POST', '/class.ajax.zamenaPneu.php', request)){return false;}
}



getPneuWorker = function(xmlhttp) {

	if (isRequestOk (xmlhttp)){
		var stateXml = xmlhttp.responseXML;
		var items = stateXml.getElementsByTagName('item');

		var pocet = stateXml.getElementsByTagName('pocet')[0].childNodes[0].nodeValue;	
		var co = stateXml.getElementsByTagName('zmenit')[0].childNodes[0].nodeValue;	

		var tbody = xObject('nahradapneuTbl').getElementsByTagName('tbody')[1];
  
		var tableRows = tbody.rows; 
	  var zamena;	

		
		
		while (tableRows.length) {	
			i = tableRows.length-1;
			tbody.deleteRow(i) ;
		}
		
		pocetPolozek=0;
		
		for (i=0;i<items.length;i++) {
		nazev = items[i].getElementsByTagName('name')[0].childNodes[0].nodeValue;		
		kod = items[i].getElementsByTagName('code')[0].childNodes[0].nodeValue		;
		cena = items[i].getElementsByTagName('price')[0].childNodes[0].nodeValue	;	
		
								
		rowNew = document.createElement('tr'); 
		td1 = document.createElement('td'); 
		td2 = document.createElement('td'); 
		td3 = document.createElement('td'); 
		

		td1.className = "first";
		td2.className = "center";
		td3.className = "last";
		
		td1.appendChild(document.createTextNode(nazev));
		td2.appendChild(document.createTextNode(cena));
		
    zamena = 'kosik.php?act=change&co='+co+'&cim='+kod+'&pocet='+pocet;
		link =  document.createElement('a');
    link.href=zamena;
    link.title="Zaměnit";
    
    
    imgZam = document.createElement("img");
    imgZam.src = "img/change.gif";
   
    //link.appendChild(document.createTextNode("zaměnit"));
    link.appendChild(imgZam);
     
		
		
		td3.appendChild(link);
		
		rowNew.appendChild(td1);	
		rowNew.appendChild(td2);	
		rowNew.appendChild(td3);	

		tbody.appendChild(rowNew);	
		basketChange=0;
		pocetPolozek++;
		}
		
		if (pocetPolozek<1)  {
			rowNew = document.createElement('tr'); 
			td1 = document.createElement('td'); 
			td1.className = "first";
			td1.colSpan="3";
			td1.appendChild(document.createTextNode("Nebyly nalezeny žádné alternativy v potřebném množství skladem."));
			rowNew.appendChild(td1);	
			tbody.appendChild(rowNew);	
			basketChange=0;
		}
				
				
	} else {
		//alert ('some error');
	}


}