function pokaz(ref) {
	if (document.getElementById(ref)) 
		document.getElementById(ref).style.display = 'block';
		
	//$('#'+ref).show();
}

function ukryj(ref) {
	if (document.getElementById(ref)) 
		document.getElementById(ref).style.display = 'none';	
	//$('#'+ref).hide();
}

function nS(user,domain) {
         locationstring = "mailto:" + user + "@" + domain;
         window.location = locationstring;
} 


 if(typeof HTMLElement!='undefined'&&!HTMLElement.prototype.click)
    HTMLElement.prototype.click=function()
    {
        var evt = this.ownerDocument.createEvent('MouseEvents');
        evt.initMouseEvent('click', true, true, this.ownerDocument.defaultView, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
        this.dispatchEvent(evt);
    }

    
function klik(id) {
	  document.getElementById(id).click();
}
    
function closeRokbox() {
    window.parent.window.klik('rokbox-overlay');
}

function getH(divID) {

				if (document.getElementById(divID)) {
				var divHeight = document.getElementById(divID).clientHeight;								
				return(divHeight);
				}
}

function getW(divID) {

				if (document.getElementById(divID)) {
				var divWidth = document.getElementById(divID).clientWidth;								
				return(divWidth);
				}
}

function getY( el ) {
    var _x = 0;
    var _y = 0;
    while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
        _x += el.offsetLeft - el.scrollLeft;
        _y += el.offsetTop - el.scrollTop;
        el = el.parentNode;
    }
    return (_y);
}


function addStyle(el, s){
  if(typeof(el) == 'string'){el = document.getElementById(el);}
  var st = s.split(';');
  for(var i=0; i<st.length; i++){
    var stl = st[i].split(':');
    if(stl.length == 2){
      stl[0] = stl[0].replace(/^\s*|\s*$/g,"");
      stl[1] = stl[1].replace(/^\s*|\s*$/g,"");
      stl[1] = stl[1].replace(/'/g, "\"");
      tmpStl = stl[0].split('-');
      stl[0] = tmpStl[0];
      for(var j=1; j < tmpStl.length; j++){
        stl[0] += tmpStl[j].charAt(0).toUpperCase() + tmpStl[j].substr(1).toLowerCase();
      }
      delete tmpStl;
      if(stl[0].length > 3){eval('el.style.' + stl[0] + ' = \'' + stl[1] + '\';');}
    }
  }
  return false;
}

function windowSize() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  
  return(myHeight);
}

 function validateEmail(email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   
   if(reg.test(email) == false) {
      alert('Niewłaściwy adres e-mail / Invalid email address');
      return false;
   } else return true;
}

 function validEmail(email) {
	   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   
	   if(reg.test(email) == false) {
	     
	      return false;
	   } else return true;
	}

function goto(myURL) {
	window.location = myURL;
}

db = 0;

function t(text) {
	
	db++;
	
	if (db == 20) {
		document.getElementById('debug').innerHTML = '';
		db = 0;
	}
	
	document.getElementById('debug').style.display = 'table';
	document.getElementById('debug').innerHTML = '<p>'+text+'</p>'+document.getElementById('debug').innerHTML;	
	
}


function bookmark() {

 title = "Sistema Poland"; 

 url = "http://sistema.com.pl";

	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url,"");
	} else if( window.external ) { // IE Favorite
		window.external.AddFavorite( url, title); }
	else if(window.opera && window.print) { // Opera Hotlist
		return true; }
 }

fth = 1;

function switchFoto(id, sum) {
	
	$('#dg'+fth).hide();
	$('#th'+fth).hide();
	
	fth = id;
	
	$('#dg'+id).fadeIn(500);
	$('#th'+id).fadeIn(500);	
	
}

var goto_top_type = -1;
var goto_top_itv = 0;

function goto_top_timer() {
var y = goto_top_type == 1 ? document.documentElement.scrollTop : document.body.scrollTop;

var moveby = 15; // set this to control scroll seed. minimum is fast

y -= Math.ceil(y * moveby / 100);
if (y < 0)
y = 0;

if (goto_top_type == 1)
document.documentElement.scrollTop = y;
else
document.body.scrollTop = y;

if (y == 0) {
clearInterval(goto_top_itv);
goto_top_itv = 0;
}
}

function goto_top() {
if (goto_top_itv == 0) {
if (document.documentElement && document.documentElement.scrollTop)
goto_top_type = 1;
else if (document.body && document.body.scrollTop)
goto_top_type = 2;
else
goto_top_type = 0;

if (goto_top_type > 0)
goto_top_itv = setInterval('goto_top_timer()', 25);
}
}