function ShowAkordy()
        {
                if(document.all.display_allakordy.style.visibility == 'visible' )
                                document.all.display_allakordy.style.visibility = 'hidden'
                        else
                                document.all.display_allakordy.style.visibility = 'visible';
        }

function Zobraz(okno,display) //okno id okna, display 1=ON, 2=OFF
        {
                elemID = okno;
                var obj
                 if (document.all) {
                  obj = document.all(elemID)
                 } else if (document.getElementById) {
                  obj = document.getElementById(elemID)
                 } else if (document.layers) {
                  obj = document.layers[elemID]
                 }
                
                if(obj.style.display != 'none' )
                                obj.style.display = 'none'
                        else
                                obj.style.display = 'block';
        }

function UkazAkord(idakordu)
  {
   {
    var akordik

    elemID = "akord["+idakordu+"]"

        var obj
         if (document.all) {
          obj = document.all(elemID)
         } else if (document.getElementById) {
          obj = document.getElementById(elemID)
         } else if (document.layers) {
          obj = document.layers[elemID]
         }

         if (obj) {
          // statements that work on the object
          //akordik = obj.innerHTML.replace('+','Q').replace('#','@')

					//line by Petr:
					akordik = obj.innerHTML.replace(/\+/,"Q").replace(/#/,"@")
          var ExchangeTarget = 'akord.php?akord='+akordik;
          window.open(ExchangeTarget,'Akord','scrollbars=1, resizable=1,width=590,height=460') ;
         }

   }
  return }


function Tlac(idpiesne)
  {
   {

    var obj
    var modulacia
    elemID = "modulacia"

         if (document.all) {
          obj = document.all(elemID)
         } else if (document.getElementById) {
          obj = document.getElementById(elemID)
         } else if (document.layers) {
          obj = document.layers[elemID]
         }


         if (obj) {
         modulacia = obj.innerHTML;
//         alert(modulacia)
         }

   var ExchangeTarget = 'piesen_tlac.php?idpiesne='+idpiesne+'&modulacia='+modulacia;
     window.open(ExchangeTarget,'Tlac','scrollbars=1, resizable=1,width=590,height=400');
   }
  return }

function AddToFavorites(idpiesne)
  {
   {

    var obj
    var modulacia
    elemID = "modulacia"

         if (document.all) {
          obj = document.all(elemID)
         } else if (document.getElementById) {
          obj = document.getElementById(elemID)
         } else if (document.layers) {
          obj = document.layers[elemID]
         }


         if (obj) {
           modulacia = obj.innerHTML;
         }

     var ExchangeTarget = 'admin.php?action=piesen_addtofavorites&idpiesne='+idpiesne+'';
     window.open(ExchangeTarget,'Add','scrollbars=1, resizable=1,width=490,height=400');
   }
  return }
  
function Exportuj(idpiesne,typ)
  {
   {
   var ExchangeTarget = 'export.php?idpiesne='+idpiesne+'&typ='+typ;
        window.open(ExchangeTarget,'Export','scrollbars=1, resizable=0,width=490,height=400');
   }
  return }