domReady(function() {

/* MUSIC TEMPLATE -> open hidden row */

if(className("open_row")){
  var open_rows = className("open_row");
  for(var x = 0; x < open_rows.length; x++){
    addClass(next(parent(open_rows[x],2)), "hidden_row");
    open_rows[x].onclick = function(){
      if(hasClass(next(parent(this,2)), "hidden_row")){ 
        removeClass(next(parent(this,2)), "hidden_row");
        addClass(parent(this,2), "opened");
      } else {
        addClass(next(parent(this,2)), "hidden_row");
        removeClass(parent(this,2), "opened");
      }
    }
  }
}

/**/
  
if(id("f_search")){ 
  if(id("f_search").value == "") {
    id("f_search").value = "Hledaný výraz...";
  }
  id("f_search").onclick = function() {
    if(id("f_search").value == "Hledaný výraz...") {
      id("f_search").value = "";
    }
  };
  id("f_search").onfocus = function() {
    if(id("f_search").value == "Hledaný výraz...") {
      id("f_search").value = "";
    }
  };
  id("f_search").onblur = function() {
    if(id("f_search").value == "") {
      id("f_search").value = "Hledaný výraz...";
    }
  };
}  
  
if(id("f_name")){ 
  if(id("f_name").value == "") {
    id("f_name").value = "uživatelské jméno";
  }
  id("f_name").onclick = function() {
    if(id("f_name").value == "uživatelské jméno") {
      id("f_name").value = "";
    }
  };
  id("f_name").onfocus = function() {
    if(id("f_name").value == "uživatelské jméno") {
      id("f_name").value = "";
    }
  };
  id("f_name").onblur = function() {
    if(id("f_name").value == "") {
      id("f_name").value = "uživatelské jméno";
    }
  };
}  
  
if(id("f_pass")){ 
  if(id("f_pass").value == "") {
    id("f_pass").value = "*****";
  }
  id("f_pass").onclick = function() {
    if(id("f_pass").value == "*****") {
      id("f_pass").value = "";
    }
  };
  id("f_pass").onfocus = function() {
    if(id("f_pass").value == "*****") {
      id("f_pass").value = "";
    }
  };
  id("f_pass").onblur = function() {
    if(id("f_pass").value == "") {
      id("f_pass").value = "*****";
    }
  };
}  

});