function wszystko() // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.pizzza.visibility = "hide";
	   document.salatki.visibility = "hide";
	   document.makarony.visibility = "hide";	   
	   document.dodatki.visibility = "hide";
    }
   else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
       document.getElementById('pizzza').style.visibility = "hidden";
	   document.getElementById('salatki').style.visibility = "hidden";
     document.getElementById('makarony').style.visibility = "hidden";
	 document.getElementById('dodatki').style.visibility = "hidden";
  }
   else if(document.all)	// IE 4
   {
       document.all.pizzza.style.visibility = "hidden";
	   document.all.salatki.style.visibility = "hidden";
       document.all.makarony.style.visibility = "hidden";
	   document.all.dodatki.style.visibility = "hidden";
   }
}



function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{

        var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";


}

var total = 0;
var ni = 0;

function addItem(szItemId, szItemName, iPrice) {
    var tbl = document.getElementById("itemList");
    var lastRow = tbl.rows.length;
    // if there's no header row in the table, then iteration = lastRow + 1
    ni = lastRow;
    var row = tbl.insertRow(lastRow);
    row.id = "rid"+lastRow//szItemId;
	row.name = szItemId;
    row.innerHTML = "<td>" + szItemName + "</td><td style=\"width: 80px\">" + iPrice + "zł <a href=\"#\" onclick=\"removeItem('rid"+lastRow+"',"+iPrice+");\">X</a></td>";

    total += iPrice;
    var tpr = document.getElementById("totalprice");
    tpr.innerHTML = "" + total.toFixed(2); +"zł";
    
}

function removeItem(szItemId, iPrice) {
    var row = document.getElementById(szItemId);
    row.parentElement.removeChild(row); 

    total -= iPrice;
    var tpr = document.getElementById("totalprice");
    tpr.innerHTML = "" + total.toFixed(2); +"zł";
}

function submitForm() {
    var hidden = document.getElementById("oorder");
	var hidden_short = document.getElementById("short");
    var i = 0;
    for (i = 1; i <= ni; i++) {
        var row = document.getElementById("rid" + i);
        hidden.value += row.childNodes[0].innerHTML + "\n";
		hidden_short.value += row.name + " ";
    }
	
    return true;
}