var oldStep = 0;
var step = 0;
var bstep = 0;
var oldBstep = 0;
var bslide = false;
var slide = false;
var request = null;
var queryString = '';

function AC_AddExtension(src, ext) {
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) { 
  var str = '<object ';
  for (var i in objAttrs)
    str += i + '="' + objAttrs[i] + '" ';
  str += '>';
  for (var i in params)
    str += '<param name="' + i + '" value="' + params[i] + '" /> ';
  str += '<embed ';
  for (var i in embedAttrs)
    str += i + '="' + embedAttrs[i] + '" ';
  str += ' ></embed></object>';
  document.write(str);
}

function AC_FL_RunContent() {
  var ret = 
    AC_GetArgs
    (arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_SW_RunContent() {
  var ret = 
    AC_GetArgs
    (  arguments, ".dcr", "src", "clsid:166B1BCA-3F9C-11CF-8075-444553540000"
     , null
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType) {
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblClick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "id":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}

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 MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr;
	for(i=0; a && i<a.length && (x=a[i]) && x.oSrc; i++)
		x.src = x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function go(url) {
	if (url.charAt(0) == '/')
		location.href = url;
	else
		location.href = '/' + url;
}

function checkGo(url, poruka) {
	if (poruka!="" && poruka!=null)
		poruka=poruka+"\n";
	else
		poruka="";
	odg=confirm(poruka+"Are you sure?");
	if (odg==false) return;
	go(url);
}

function toggleCB(id) {
	var cb = getById(id);
	if (!cb)
		return;
	if (cb.checked)
		cb.checked = false;
	else
		cb.checked = true;
}

function toggleClass(id) {
	var cl = getById(id);
	if (!cl)
		return;
	if (cl.className=='')
		cl.className='hidden';
	else
		cl.className='';
}


function getById(id) {
	x = document.getElementById(id);
	if (x)
		return x;
	return null;
}

function setValue(obj, val) {
	if (obj)
		obj.value=val;
}

function swapImage(id) {
	getById('h1Title').innerHTML = articles[id]['title'];
	getById('divDescription').innerHTML = articles[id]['description'];
	getById('tableArticles').style.backgroundImage = 'url('+articles[id]['picture']+')';
	getById('linkArticle_'+id).className = '';
	if (oldStep>0 && oldStep!=id)
		getById('linkArticle_'+oldStep).className = 'image';
	oldStep = id;
	step = id;
}

function swapBanner() {
	if (!numBanners) {
		stopBannerShow();
		return;
	}
	oldBstep = bstep;
	bstep++;
	if (bstep==numBanners)
		bstep = 0;
	getById('div_banner_'+oldBstep).className = 'hidden';
	getById('div_banner_'+bstep).className = '';
}

function openWindow(url, id, width, height) {
	window.open(url, id, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width='+width+',height='+height);
}

function changeImage(imgName, source){
	getById(imgName).src = source;
}

function checkSearch() {
	if (getById('criteria').value.length < 3) {
		alert('Please enter at least 3 characters as search criteria.')
		return false;
	}
	return true;
}

function slideShow() {
	if (slide) {
		step++;
		if (!articles[step])
			step = 1;
		if (!articles[step])
			return;
		swapImage(step);
	}
	setTimeout("slideShow()",8000);
}

function startSlideShow() {
	slide = true;
	if (step==0)
		slideShow();
}

function stopSlideShow() {
	slide = false;
}

function bannerShow() {
	if (bslide)
		swapBanner();
	setTimeout("bannerShow()",7000);
}

function startBannerShow() {
	bslide = true;
	if (bstep==0)
		bannerShow();
}

function stopBannerShow() {
	bslide = false;
}

function toggleNavig(id, level) {
	var x = getById('div_'+id);
	var y = getById('img_'+id+'_left');
	var cln = 'hidden';
	if (x.style.display=='none')
		cln = '';
	getById('img_'+id+'_left').className = (cln=='') ? 'hidden' : '';
	getById('img_'+id+'_down').className = cln;
	if (level==1) {
		getById('img_'+id+'_crtice').className = (cln=='') ? 'hidden' : '';
		getById('img_'+id+'_blank').className = cln;
	}
	animatedcollapse.toggle('div_' + id);
}

function httpRequest(reqType, url, asynch, fName) {
	if (window.XMLHttpRequest)
		request = new XMLHttpRequest();
	else if (window.ActiveXObject) {
		request = new ActiveXObject("Msxml2.XMLHTTP");
		if (!request)
			request = new ActiveXObject("Microsoft.XMLHTTP");
	}
	if (request)
		initRequest(reqType, url, asynch, fName);
	else
		alert("Your browser doesn't support scripts.");
}

function initRequest(reqType, url, bool, fName) {
	try {
		request.onreadystatechange = fName;
		request.open(reqType, url, bool);
		if (reqType.toLowerCase()=='post') {
			setQueryString('AX_call', 200);
			request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=windows-utf8");
			request.send(queryString);
		} else
			request.send(null);
	} catch (err) {
		alert("Error in processing request.");
	}
	queryString = '';
}

function setQueryString(key, val) {
	if (queryString!='')
		queryString += "&";
	queryString += key + "=" + encodeURIComponent(val);
}

function AX_call(reqType, url, asynch, fCheck, fCall) {
	if (fCheck!='' && !fCheck()) return;
	httpRequest(reqType, url, asynch, fCall);
}

function safeChars(string) {
    string = string.toString();
    string = string.replace(/&/g, '&amp;');
    string = string.replace(/</g, '&lt;');
    string = string.replace(/>/g, '&gt;');
    string = string.replace(/"/g, '&quot;');
    string = string.replace(/'/g, '&#039;');
    return string;
}