function changeDisplay(id)
	{
	var klasa = document.getElementById(id);
		if (klasa.style.display=="block")
		{
		klasa.style.display="none";
		}
		else
			{
			klasa.style.display="block";
			}
	}

function closeDisplay(id)
	{
	var klasa = document.getElementById(id);
		if (klasa.style.display=="block")
			{
			klasa.style.display="none";
			}
	}

function ReverseContentDisplay(d)
   {
   if(d.length < 1)
     {
     return;
     }
	 if(document.getElementById(d).style.display == "none")
	   {
	   document.getElementById(d).style.display = "block";
	   }
	   else
	    {
	    document.getElementById(d).style.display = "none";
   		}
   }
   
var win=null;
function NewWin(mypage,myname,w,h,scroll,pos)
  {
  if(pos=="center") { LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100; }
    else
      if ((pos!="center" && pos!="random") || pos==null) { LeftPosition=0;TopPosition=0 }
  settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
  win=window.open(mypage,myname,settings);
  win.document.focus();
  }