function updatepocet(polozka)
        {
          id = polozka.name;
          pocet = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&pocet='+pocet;
      }

function updatevelkosti(polozka)
        {
          id = polozka.name;
          velkosti = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&velkosti='+velkosti;
      }
function updatefarby(polozka)
        {
          id = polozka.name;
          farby = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&farby='+farby;
      }

function updateatribut(polozka)
        {
          id = polozka.name;
          atribut = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&atribut='+atribut;
      }      
      function updatepolea(polozka)
        {
          id = polozka.name;
          polea = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&polea='+polea;
      }
            function updatepoleb(polozka)
        {
          id = polozka.name;
          poleb = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&poleb='+poleb;
      }
            function updatepolec(polozka)
        {
          id = polozka.name;
          polec = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&polec='+polec;
      }
            function updatepoled(polozka)
        {
          id = polozka.name;
          poled = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&poled='+poled;
      }
            function updatepolee(polozka)
        {
          id = polozka.name;
          polee = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&polee='+polee;
      }
            function updatepolef(polozka)
        {
          id = polozka.name;
          polef = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&polef='+polef;
      }
            function updatepoleg(polozka)
        {
          id = polozka.name;
          poleg = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&poleg='+poleg;
      }
            function updatepoleh(polozka)
        {
          id = polozka.name;
          poleh = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&poleh='+poleh;
      }
            function updatepolei(polozka)
        {
          id = polozka.name;
          polei = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&polei='+polei;
      }
            function updatepolej(polozka)
        {
          id = polozka.name;
          polej = polozka.options[polozka.selectedIndex].text;

          document.location.href = '?xd_design=objednaj.php&action=update&id='+id+'&polej='+polej;
      }
      
function prepocitaj(polozka) {
          id = polozka.name;
           var w = document.frmCart.pocosob.selectedIndex;
           var pocet = document.frmCart.pocosob.options[w].text;
          
          if(document.getElementById("zakjc")!=null) document.getElementById("zakcena").innerHTML = pocet*parseInt(document.getElementById("zakjc").innerHTML)+' €';

          var celkom = 0;
          celkom = pocet*parseInt(document.getElementById("zakjc").innerHTML); 

          if(document.getElementById("p1")!=null) { 
            var w = document.frmCart.poc1.selectedIndex;
            var selected_text = document.frmCart.poc1.options[w].text;
            document.getElementById("p1").innerHTML = selected_text*parseInt(document.getElementById("c1").innerHTML)+' €';
          }
          
          if(document.getElementById("p2")!=null) { 
            var w = document.frmCart.poc2.selectedIndex;
            var selected_text = document.frmCart.poc2.options[w].text;
            document.getElementById("p2").innerHTML = selected_text*parseInt(document.getElementById("c2").innerHTML)+' €';
          }
          if(document.getElementById("p3")!=null) { 
            var w = document.frmCart.poc3.selectedIndex;
            var selected_text = document.frmCart.poc3.options[w].text;
            document.getElementById("p3").innerHTML = selected_text*parseInt(document.getElementById("c3").innerHTML)+' €';
          }
          if(document.getElementById("p4")!=null) { 
            var w = document.frmCart.poc4.selectedIndex;
            var selected_text = document.frmCart.poc4.options[w].text;
            document.getElementById("p4").innerHTML = selected_text*parseInt(document.getElementById("c4").innerHTML)+' €';
          }
          if(document.getElementById("p5")!=null) { 
            var w = document.frmCart.poc5.selectedIndex;
            var selected_text = document.frmCart.poc5.options[w].text;
            document.getElementById("p5").innerHTML = selected_text*parseInt(document.getElementById("c5").innerHTML)+' €';
          }
          if(document.getElementById("p6")!=null) { 
            var w = document.frmCart.poc6.selectedIndex;
            var selected_text = document.frmCart.poc1.options[w].text;
            document.getElementById("p6").innerHTML = selected_text*parseInt(document.getElementById("c6").innerHTML)+' €';
          }
          if(document.getElementById("p7")!=null) { 
            var w = document.frmCart.poc7.selectedIndex;
            var selected_text = document.frmCart.poc7.options[w].text;
            document.getElementById("p7").innerHTML = selected_text*parseInt(document.getElementById("c7").innerHTML)+' €';
          }
          if(document.getElementById("p8")!=null) { 
            var w = document.frmCart.poc8.selectedIndex;
            var selected_text = document.frmCart.poc8.options[w].text;
            document.getElementById("p8").innerHTML = selected_text*parseInt(document.getElementById("c8").innerHTML)+' €';
          }
          if(document.getElementById("p9")!=null) { 
            var w = document.frmCart.poc9.selectedIndex;
            var selected_text = document.frmCart.poc9.options[w].text;
            document.getElementById("p9").innerHTML = selected_text*parseInt(document.getElementById("c9").innerHTML)+' €';
          }
          if(document.getElementById("p10")!=null) { 
            var w = document.frmCart.poc10.selectedIndex;
            var selected_text = document.frmCart.poc10.options[w].text;
            document.getElementById("p10").innerHTML = selected_text*parseInt(document.getElementById("c10").innerHTML)+' €';
          }
          
          
          for ( i=1; i <= 10; i++){
             if(document.getElementById("p"+i)!= null) {
                total=parseFloat(document.getElementById("p"+i).innerHTML);
                celkom+=total;
            }
         }
          document.getElementById("celkem").innerHTML = celkom;
          return false;
          
      }