function mini_camera(camera,place){
	document.getElementById(place).src="http://www.webcam.is24.pl/mini_camera_cieplice.php?camera="+camera;
}

function newest_camera(){
	document.getElementById('camera_image').src="http://www.webcam.is24.pl/new_file_cieplice.php?camera=chojnik";
}

function change_image_forward(seconds){
  
  if(chosen_date!=''){var date=chosen_date;}
  else{
 	now = Math.round(new Date().getTime()/1000.0);
  	var date=now;
  }	
  
  date=(date+seconds);
  chosen_date=date;
  
  if(date>now)
  {chosen_date = '';
   document.getElementById('camera_image').src="http://www.webcam.is24.pl/camera_cieplice.php?date="+now+"&camera=chojnik";}
  else
  {document.getElementById('camera_image').src="http://www.webcam.is24.pl/camera_cieplice.php?date="+date+"&camera=chojnik";}
  
}

function change_image_backward(seconds){
  
  if(chosen_date!=''){var date=chosen_date;}
  else{
 	now = Math.round(new Date().getTime()/1000.0);
  	var date=now;
  }
  
   date=(date-seconds);
   chosen_date=date;
   var min_date=1304020800;
   
  if(date<min_date)
  {chosen_date=min_date;
   document.getElementById('camera_image').src="http://www.webcam.is24.pl/camera_cieplice.php?date="+min_date+"&camera=chojnik";}
  else
  {document.getElementById('camera_image').src="http://www.webcam.is24.pl/camera_cieplice.php?date="+date+"&camera=chojnik";}
  
}