function Show(id)
{
  var item = null;

  if (document.getElementById) item = document.getElementById(id);
  else if (document.all) item = document.all[id];
  else if (document.layers) item = document.layers[id];

  if (item) if (item.style) item.style.display = "";
}

function Hide(id)
{
    var item = null;

  if (document.getElementById) item = document.getElementById(id);
  else if (document.all) item = document.all[id];
  else if (document.layers) item = document.layers[id];

  if (item) if (item.style) item.style.display = "none";
}

function ShowOrHide(id)
 {

  var item = null;
  if (document.getElementById) item = document.getElementById(id);
  else if (document.all) item = document.all[id];
  else if (document.layers) item = document.layers[id];
  if (!item){  }
   else if (item.style)
   {
    if (item.style.display == "none") item.style.display = "";
    else item.style.display = "none";
   }
   else
   {
    item.visibility = "show";
   }
}

function SlideDownUp(id)
{
  if (document.getElementById(id).style.display=='none')
    new Effect.SlideDown(id, { duration: 0.7 });
  else
    new Effect.SlideUp(id, { duration: 0.7 });
}
 
function flash(id, kolor, czas, kolor2, czas2)
{
  if (document.getElementById)
  {
    document.getElementById(id).style.color = kolor;
    setTimeout('flash("' +  id + '","' + kolor2 + '",' + czas2 + ',"' + kolor + '",' + czas + ')', czas);
  }
  else if (document.all)
  {
    document.all[id].style.color = kolor;
    setTimeout('flash("' +  id + '","' + kolor2 + '",' + czas2 + ',"' + kolor + '",' + czas + ')', czas);
  }
}


function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function ddrivetip(thetext, thecolor, thewidth){
if (ns6||ie){
if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px";
tipobj.innerHTML=thetext;
enabletip=true
return false
}
}

function positiontip(e){
if (enabletip){
var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;
//Find out how close the mouse is to the corner of the window
var rightedge=ie&&!window.opera? ietruebody().clientWidth-event.clientX-offsetxpoint : window.innerWidth-e.clientX-offsetxpoint-20
var bottomedge=ie&&!window.opera? ietruebody().clientHeight-event.clientY-offsetypoint : window.innerHeight-e.clientY-offsetypoint-20

var leftedge=(offsetxpoint<0)? offsetxpoint*(-1) : -1000

//if the horizontal distance isn't enough to accomodate the width of the context menu
if (rightedge<tipobj.offsetWidth)
//move the horizontal position of the menu to the left by it's width
tipobj.style.left=ie? ietruebody().scrollLeft+event.clientX-tipobj.offsetWidth+"px" : window.pageXOffset+e.clientX-tipobj.offsetWidth+"px"
else if (curX<leftedge)
tipobj.style.left="5px"
else
//position the horizontal position of the menu where the mouse is positioned
tipobj.style.left=curX+offsetxpoint+"px"

//same concept with the vertical position
if (bottomedge<tipobj.offsetHeight)
tipobj.style.top=ie? ietruebody().scrollTop+event.clientY-tipobj.offsetHeight-offsetypoint+"px" : window.pageYOffset+e.clientY-tipobj.offsetHeight-offsetypoint+"px"
else
tipobj.style.top=curY+offsetypoint+"px"
tipobj.style.visibility="visible"
}
}


function hideddrivetip(){
if (ns6||ie){
enabletip=false
tipobj.style.visibility="hidden"
tipobj.style.left="-1000px"
tipobj.style.backgroundColor=''
tipobj.style.width=''
}
}

function Trim(TheString)
{
	var len;

	len = TheString.length;
 	while(TheString.substring(0,1) == " "){ //trim left
 		TheString = TheString.substring(1, len);
  		len = TheString.length;
	}

 	while(TheString.substring(len-1, len) == " "){ //trim right
 		TheString = TheString.substring(0, len-1);
  		len = TheString.length;
 	}
 	return TheString;
}

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
   {   
   for(var i=0; i<document.images.length; i++)
      {
          var img = document.images[i]
          var imgName = img.src.toUpperCase()
          if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
             {
                 var imgID = (img.id) ? "id='" + img.id + "' " : ""
                 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
                 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
                 var imgStyle = "display:inline-block;" + img.style.cssText
                 if (img.align == "left") imgStyle = "float:left;" + imgStyle
                 if (img.align == "right") imgStyle = "float:right;" + imgStyle
                 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle              
                 var strNewHTML = "<span " + imgID + imgClass + imgTitle
                 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
             + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                 + "(src='" + img.src + "', sizingMethod='scale');\"></span>"
                 img.outerHTML = strNewHTML
                 i = i-1
             }
      }
   }

function strona(id, link) {
  advAJAX.get({
              url : link,
              onSuccess : function(obj) { document.getElementById(id).innerHTML = obj.responseText; }
            });
}