function mouseOver(e) {
    if (e) {
		e.oldClassName=e.className;
		e.className+='-over';
	}
}
function mouseOut(e) {
    if (e && e.oldClassName) e.className=e.oldClassName;
}

var mouseClick_CLICKED = false;

function mouseClick(e, event) {
	var i;
	if (mouseClick_CLICKED) return;
	mouseClick_CLICKED = true;
	setTimeout('mouseClick_CLICKED = false;', 300);

	if (e && e.hasChildNodes) {
		for (i=0; i<e.childNodes.length; i++) {
			if (e.childNodes[i].tagName == 'A') {
				document.location = e.childNodes[i].getAttribute('href');
				return;
			}
		}
	}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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 MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function language(lang) {
  langRE = /\/bg\/|\/en\/|\\bg\\|\\en\\/;
  document.location.replace(document.location.href.replace(langRE,'/'+lang+'/'));
}

function nav_toggle(id, prefix){
	var obj;
	var img = MM_findObj('img_'+id);
	if (obj = MM_findObj('nav_'+id)) {
		if (obj.style) {
			if (obj.style.visibility == 'visible') {
				obj.style.visibility = 'hidden';
				obj.style.display = 'none';
				if (img) img.src = prefix+'images/arrow-right.gif';
			} else {
				obj.style.visibility = 'visible';
				obj.style.display = 'block';
				if (img) img.src = prefix+'images/arrow-down.gif';
			}
		}
	}
}

var nav_id = new Array();

function nav_show(id) {
	var obj;
	var nav_level = id.split('_').length-3;
	
	if (nav_id[nav_level] && id != nav_id[nav_level]) nav_hide(nav_id[nav_level]);
	if (obj = MM_findObj('nav'+id)) {
		if (obj.style) {
			obj.style.visibility = 'visible';
			obj.style.display = 'block';
			nav_id[nav_level] = id;
		}
	}
}

function nav_hide(id) {
	var obj;
	var nav_level = id.split('_').length-3;
	
	if (obj = MM_findObj('nav'+id)) {
		if (obj.style) {
			obj.style.visibility = 'hidden';
			obj.style.display = 'none';
		}
	}
}

document.onclick=function () {
	for (var i=0; i<nav_id.length; i++) {
		nav_hide(nav_id[i]);
	}
}

current = 0;
images = new Array();

function shownext(target) {
//data must be an array with src values of target object
	obj = document.getElementById(target);
	if (obj && images.length) {
		if (current >= images.length-1) {
			current = -1;
		}
		obj.src = images[current+1];
		current = current+1;
	}
}
function showprevious(target) {
//data must be an array with src values of target object
	obj = document.getElementById(target);
	if (obj && images.length) {
		if (current == 0) {
			current = images.length;
		}
		obj.src = images[current-1];
		current = current-1;
	}
}

function changeItem(targetID,replaceWith,attribute) {
	var obj = document.getElementById(targetID);
	if (obj) {
		if (attribute) obj[attribute] = replaceWith;
		else obj.innerHTML = replaceWith;
	}
}

function opacity(id, opacStart, opacEnd, millisec) { 

    var speed = Math.round(millisec / 100); 
    var timer = 0; 


    if(opacStart > opacEnd) { 
        for(i = opacStart; i >= opacEnd; i--) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } else if(opacStart < opacEnd) { 
        for(i = opacStart; i <= opacEnd; i++) 
            { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        }
    }
} 

function changeOpac(opacity, id) { 
    var object = document.getElementById(id).style; 
	object.visibility = 'visible';
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")";
}

function changeLayerProperties(id,x,y,width,height) {
try {var obj = document.getElementById(id).style;}
catch(err) {return false}
	if (obj) {
		if (x || x != null) obj.left = x+'px';
		if (y || y != null)	obj.top = y+'px';
		if (width || width != null)	obj.width = width+'px';
		if (height || height != null) obj.height = height+'px';
		return true;
	} else return false;
}

function resizeLayer(id) {
	var x = (document.all)?document.body.scrollLeft:window.pageXOffset; 
	var y = (document.all)?document.body.scrollTop:window.pageYOffset; 
	var y = (document.all)?document.body.scrollTop:window.pageYOffset; 
	var height = body.clientHeight;
	var width = body.clientWidth;
	changeLayerProperties('fade',x,y,width,height);
}

function changeStyle(obj,styleName,styleValue) {
	if (typeof(obj) != 'object') var object = document.getElementById(obj);
	else var object = obj;
	
	if (object.style) {
		object.style[styleName] = styleValue;
	}
}

function changeGroupObjectsStyle(objects,styleName,styleValue,exception) {
	if (objects && objects.length) {
		for(var i=0; i<objects.length; i++) {
			var object = document.getElementById(objects[i])
			if (objects[i]!=exception) object.style[styleName] = styleValue;
		}
	}
}

function correctPNG() 
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      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")
         {
		 	onClick = '';
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
			if (img.onclick != null) onClick = " onclick = \""+img.onclick.toString().substring(23,img.onclick.toString().length-2)+"\"";
            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 " + onClick + 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
         }
      }
   }    
}
window.attachEvent("onload", correctPNG);