////////////////////////////////////////////////////////////////////////////
    //                                                                        //
    //                                                                        //
    //             JavaScript Allows You Moving DIV Dialogues                 //
    //                                                                        // 
    //                                                                        //
    //                              http://www.smart-fish.org/webdesign/      //
    //                                            script by Vaclav Kusak      //
    ////////////////////////////////////////////////////////////////////////////
    
    var DialogueDragging                    = 0;
    var DialogueDraggingElem                = null; 
    var MouseXPos, MouseYPos                = 0;
    var DialogueDefaultZIndex               = 10;
    var DialogueOpened                      = false;
    var DialogueOpenedID                    = null;
    var DialoguesOpened                     = new Array();
    
    function DialogueDefineGrid(evt)
    { evt = (evt) ? evt : (window.event) ? window.event : "";
      if( evt )
      { MouseXPos   = evt.clientX;
        MouseYPos   = evt.clientY;
      }
    }
    
    function DialogueStartDragging(elem)
    { DialogueDraggingElem = document.getElementById(elem);
      if( DialogueDraggingElem )
      { DialogueDragging = 1;
        DialogueDraggingElem.style.zIndex = DialogueDefaultZIndex+1;
      }
    }
    
    function DialogueStopDragging()
    { DialogueDraggingElem.style.zIndex = DialogueDefaultZIndex;
      DialogueDraggingElem = null;
      DialogueDragging = 0;
    }
    
    function DialogueFollowCursor()
    { var X,Y;
      if( DialogueOpenedID != null ) dgZalozky.parent = DialogueOpenedID;
      if( DialogueDraggingElem && DialogueDragging == 1 )
      { X = MouseXPos  + document.documentElement.scrollLeft;
        Y = MouseYPos  + document.documentElement.scrollTop;
        
        if( Y > 10 )
        { DialogueDraggingElem.style.top  = (Y - 12) +'px';
          DialogueDraggingElem.style.left = (X - parseInt(DialogueDraggingElem.offsetWidth/2)  ) +'px';
        }
        else
        { DialogueStopDragging();
        }
      }
    }
    
    function CloseDialogue(id)
    { var posledni = DialoguesOpened.pop();
      id = posledni;
      
      var pocetDialogu = DialoguesOpened.length;
      var element = document.getElementById(id);
      if( pocetDialogu == 0 )
      { var blanket = document.getElementById('blanket');
      }
      
      if( element )
      { element.style.display = 'none';
        
        if( pocetDialogu == 0 )
        { blanket.style.display = 'none';
          DialogueOpened = false;
          DialogueOpenedID = null;
        }
        else
        { DialogueOpened = true;
          DialogueOpenedID = DialoguesOpened[pocetDialogu-1];
        }
      }
    }
    
    function ShowDialogue(id)
    { var element = document.getElementById(id);
      var blanket = document.getElementById('blanket');
      if( element )
      { element.style.display = 'block';
        blanket.style.display = 'block';
        
        var elementBody = document.getElementById(id + '-MainBody');
        elementBody.style.width  = (Number(element.offsetWidth)-44) + 'px';
        elementBody.style.height = (Number(element.offsetHeight)-58) + 'px';
        
        DialogueOpened = true;
        DialogueOpenedID = id;
      }
    }
    
    function DialogueCheckModal(ID)
    { if( ID != DialoguesOpened[DialoguesOpened.length-1] )
      { alert('Nejprve prosím uzavřete otevřený dialog');
      }
    }
    
    function DisplayDialogue(dgName, dgTitle, dgBody, dgWidth, dgHeight)
    { var dg = document.getElementById(dgName);
      if( dg )
      { var len = DialoguesOpened.length;
        DialoguesOpened[len] = dgName;
        
        document.getElementById(dgName+'-Title').innerHTML = dgTitle;
        document.getElementById(dgName+'-Body').innerHTML = dgBody;
        
        dg.style.width  = dgWidth + 36 + 'px';
        dg.style.height = dgHeight + 'px';
        
        dg.setAttribute('onmousedown','DialogueCheckModal(\''+dgName+'\');');
        
        var velikostProstredek = document.getElementById(dgName+'-bok-prostredek');
        velikostProstredek.style.width = dgWidth + 'px';
        velikostProstredek.style.height = dgHeight + 'px';
        
        var mainParent = document.getElementById('middle');
        var celkemx = mainParent.offsetWidth;
        var celkemy = mainParent.offsetHeight;
        
        //alert(celkemx+'-'+celkemy);
        var velikostVrch = document.getElementById(dgName+'-dialogue-vrh');
        velikostVrch.style.width = dgWidth - 10 + 'px';
        
        var velikostVrch = document.getElementById(dgName+'-dialogue-spodek');
        velikostVrch.style.width = dgWidth - 10 + 'px';
        
        var velikostConten = document.getElementById(dgName+'-dialogue-conten');
        velikostConten.style.width = dgWidth - 10 + 'px';
        velikostConten.style.height = dgHeight - 10 + 'px';
        
        var velikostBok = document.getElementById(dgName+'-dialogue-bok');
        velikostBok.style.height = dgHeight - 10 + 'px';
        
        var velikostBok = document.getElementById(dgName+'-dialogue-bok2');
        velikostBok.style.height = dgHeight - 10 + 'px';
        
        dg.style.left =       Math.round(celkemx/2) - Math.round(dgWidth/2)  + 'px';
        dg.style.top  =       '60px';
        
        ShowDialogue(dgName);
      }
    }