function menuToggle(id)
{
	var item=document.getElementById(id);
	var image=document.getElementById('img_'+id)
	if(item)
	{
		if(item.style.display!='none')
		{
			item.style.display='none';
			image.src='images/plus.gif';
		}
		else
		{
			if(document.all)
			{
				item.style.display='block';
			}
			else
			{
				item.style.display='table';
			}
			image.src='images/minus.gif';
		}
	}
	return false;
}


    function activate(lang,to_act)
      {
        document.images[to_act].src= "./p/menu/"+lang+"/"+to_act+"_hi.gif";
      }
      function deactivate(lang,to_act)
      {
        document.images[to_act].src= "./p/menu/"+lang+"/"+to_act+"_lo.gif";
      }

    function A_activate(to_act)
      {
        document.images[to_act].src= "p/admin_menu/"+to_act+"_hi.gif";
      }
      function A_deactivate(to_act)
      {
        document.images[to_act].src= "p/admin_menu/"+to_act+"_lo.gif";
      }

    function DFactivate(to_act)
      {
        document.images[to_act].src= "p/menu/"+to_act+"_hi.gif";
      }
      function DFdeactivate(to_act)
      {
        document.images[to_act].src= "p/menu/"+to_act+"_lo.gif";
      }


function MM_preloadImages() 
    { //v3.0
    var d=document; 
    if(d.images)
        { 
        if(!d.MM_p) 
            d.MM_p=new Array();
            var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
            for(i=0; i<a.length; i++)
                if (a[i].indexOf("#")!=0)
                { 
                d.MM_p[j]=new Image; 
                d.MM_p[j++].src=a[i];
                }
        }
    }

function gallery(plik,aw,ah)
{


         ustawienia="width="+aw+",height="+ah+",left=50,top=50,toolbar=no.location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes";
         okno=window.open(plik,'zoom',ustawienia);
}

function validate_required(field,message)
{
	with (field)
	{
		if (value==null||value=="")
		{
			alert(message);
			focus();
			return false;
		}
		else 
		{
			return true;
		}
	}
}

function checkform(thisform)
{
	with (thisform)
	{
		if(validate_required(temat,"Email must be filled out!")==false)
		{
			return false
		}
	}
}