function o_s_c(){
var czas = new Date();
var godz = czas.getHours();if(godz < 10){godz = '0' + godz;}
var min = czas.getMinutes();if(min < 10){min = '0' + min;}
document.getElementById('clock1').innerHTML=godz + ':' + min;
}


function starter_cl(){
setInterval('o_s_c();',30000);
}
  function zwin(elemID,imageID)
{
   if (document.getElementById(elemID).style.display == 'block')
   {  
	   document.getElementById(imageID).src = '../gfx/icons/bullet_toggle_plus.png';
	   document.getElementById(elemID).style.display = 'none';
	   
   }
   else
   {  
	   document.getElementById(imageID).src = '../gfx/icons/bullet_toggle_minus.png';
	   document.getElementById(elemID).style.display = 'block';
   }
}