function changeBgImage (image, id) 
{
var element = document.getElementById(id);
element.style.backgroundImage = "url('"+image+"')";
}

 
function divVisibilitySet(stav,id)
{

var element  = document.getElementById(id);

element.style.display = stav;
    
}


function divVisibility(stav,id)
{

var element  = document.getElementById(id);

if (element.style.display != 'block')
    {
      element.style.display = 'block';
    }
    else
    {
      element.style.display = 'none';
    }
}
                
 
function CreateTCombo(cnt, length, count) 
{
  

  var element = document.getElementById("massage_length");
  var element1 = document.getElementById("girls_count");

  var text30 = '';
  var text60 = '';
  var text90 = '';
  var text120 = '';
  var text180 = '';
  var text40 = '';
  var text80 = '';
  
  //alert (length);
  
//  alert (count);
  
  if (length == 30)
    text30 = ' selected ';
  else if (length == 60)
    text60 = ' selected ';
  else if (length ==90)
    text90 = ' selected ';
  else if (length ==120)
    text120 = ' selected ';
  else if (length == 180 )
    text180 = ' selected ';
  else if (length == 40 )
    text40 =  ' selected ';
  else if (length == 80)
    text80 = ' selected ';
        
  
  if (cnt.value == "klasika") 
  {
    element.innerHTML= "<select name=delka size=1><option " + text60  + " value=60>1 hodina (60 min)</option><option " + text90  + " value=90>Hodina a půl (90min)</option></select>";
    element1.innerHTML= "<select name=girls_count size=1><option value=1>1 masérka</option><option value=2>2 masérky</option></select>";
  } 
  else if (cnt.value=="vzajemne")
  {
    element.innerHTML= "<select name=delka size=1><option " + text30  + " value=30>30 min</option><option " + text60  + " value=60>1 hodina</option><option " + text90  + " value=90>Hodina a půl (90min)</option><option " + text120 + " value=120>Dvě hodiny (120min)</option><option " + text180  + " value=180>Tři hodiny (180min)</option></select>";
    element1.innerHTML= "<select name=girls_count size=1><option value=1>1 masérka</option><option value=2>2 masérky</option><option value=3>3 masérky</option></select>";
  }
  else if (cnt.value=="vana")
  {
    element.innerHTML= "<select name=delka size=1><option " + text60  + " value=60>1 hodina (60 min)</option><option " + text90  + " value=90>Hodina a půl (90min)</option><option " + text120  + " value=120>Dvě hodiny (120min)</option></select>";
    element1.innerHTML= "<select name=girls_count size=1><option value=1>1 masérka</option></select>";
  }
  else if (cnt.value =='pary')
  {
    element.innerHTML= "<select name=delka size=1><option " + text60  + " value=60>1 hodina (60min)</option><option " + text90  + " value=90>Hodina a půl (90min)</option><option " + text120  + " value=120>Dvě hodiny (120min)</option></select>";
    element1.innerHTML= "<select name=girls_count size=1><option value=1>1 masérka</option><option value=2>2 masérky</option></select>";
  }
  else if (cnt.value=="nuru")
  {
    element.innerHTML= "<select name=delka size=1><option " + text40  + " value=40>40 min</option><option " + text80  + " value=80>80min</option></select>";
    element1.innerHTML= "<select name=girls_count size=1><option value=1>1 masérka</option><option value=2>2 masérky</option></select>";
    } 
  else
  {
    element.innerHTML= "<p style=\"margin-top:20px; font-size:11; color:gray;\">Vyberte druh masáže</p>";
    element1.innerHTML= "<p style=\"margin-top:20px; font-size:11; color:gray;\">Vyberte druh masáže</p>";
    return;      
  }
  
  divVisibilitySet('block','girls_selector');
  divVisibilitySet('none','gs_vyber');



}