function openHideTypeBlock(typ){
    if(typ == 'PO'){
        document.getElementById('PO').style.display = 'block';
        document.getElementById('FO').style.display = 'none';
    } else {
        document.getElementById('PO').style.display = 'none';
        document.getElementById('FO').style.display = 'block';
    }
}
function bookmark(url,title) {
    if(window.sidebar){
        window.sidebar.addPanel(title,url,'');
    } else if(window.external){
        window.external.AddFavorite(url,title);
    } else if(window.opera && window.print){
        return true;
    }
}

function ShowMenu(id){
    var e = document.getElementById(id);
    if(e != undefined){
        var child = e.childNodes;
        if(child.length){
            for (var i = 0 ; i < child.length ; i++){
                if(child[i].nodeName == 'UL'){
                    child[i].className = (child[i].className == 'opened') ? 'closed' : 'opened';
                }
            }
        }
    }
}

NewWindow1 = null;
function ShowWin(href, w, h){
	if(NewWindow1){ NewWindow1.close(); }
	if(NewWindow1==null || NewWindow1.closed){
		var top = screen.height/2 - h/2;
		var left = screen.width/2 - w/2;
		var settings =
	 		"left=" + left + "px,"
			+"top=" + top + "px,"
			+"width=" + w + "px,"
			+"height=" + h + "px,"
			+"toolbar=yes,"
			+"location=no,"
			+"directories=no,"
			+"status=yes,"
			+"menubar=yes,"
			+"scrollbars=yes,"
			+"resizable=yes";
		NewWindow1 = window.open(href,'okno',settings);
	}
	NewWindow1.focus();
}

function getElementPosition(element) {
    var pos = {x:0, y:0};
	if (element.offsetParent) {
		pos.x = element.offsetLeft
		pos.y = element.offsetTop
		while (element = element.offsetParent) {
			pos.x += element.offsetLeft
			pos.y += element.offsetTop
		}
	}
	return pos;
}

function getXY(e) {
    var pos = {x:0, y:0};
    pos.x = (window.Event) ? e.pageX : event.clientX;
    pos.y = (window.Event) ? e.pageY : event.clientY;
    return pos;
}

function addLoadEvent(func){	
    var oldonload = window.onload;
    if (typeof window.onload != 'function'){
        window.onload = func;
    } else {
        window.onload = function(){
            oldonload();
            func();
        }
    }
}