function openWindow(url, name, width, height) {
	var win = window.open(url, name, 'width='+width+',height='+height+',location=no,status=no,toolbar=no,scrollbars=yes,resizable=yes,left=1,top=1');
	win.focus();
}

function toggleMenu(menuName, defaultStatus) {
	if (document._currentMenu && document._currentMenu != menuName) {
		var oldMenu = document.getElementById(document._currentMenu);
		oldMenu.status = 1;
		oldMenu.style.display = 'none';
	}
	
	var menu = document.getElementById(menuName);
	if (!menu.status) {
		menu.status = defaultStatus;
	}

	if (menu.status == 2) {
		menu.status = 1;
		menu.style.display = 'none';
		document._currentMenu = null;
	} else {
		menu.status = 2;
		menu.style.display = 'block';
		document._currentMenu = menuName;
	}
	
}

function swapImage(id, url) {
	image = document.getElementById(id);
	image.src = url;
}

function swapOptions(obj, i, j) {
	var o = obj.options;
	var i_selected = o[i].selected;
	var j_selected = o[j].selected;
	var temp = new Option(o[i].text, o[i].value, o[i].defaultSelected, o[i].selected);
	var temp2= new Option(o[j].text, o[j].value, o[j].defaultSelected, o[j].selected);
	o[i] = temp2;
	o[j] = temp;
	o[i].selected = j_selected;
	o[j].selected = i_selected;
}

function moveOptionUp(obj) {
	for (i=0; i<obj.options.length; i++) {
		if (obj.options[i].selected) {
			if (i != 0 && !obj.options[i-1].selected) {
				swapOptions(obj,i,i-1);
				obj.options[i-1].selected = true;
			}
		}
	}
}

function moveOptionDown(obj) {
	for (i=obj.options.length-1; i>=0; i--) {
		if (obj.options[i].selected) {
			if (i !=(obj.options.length-1) && ! obj.options[i+1].selected) {
				swapOptions(obj,i,i+1);
				obj.options[i+1].selected = true;
			}
		}
	}
}

function select_on_change() {
	var select = document.getElementById('select');
	var url = select.value;
	if (url) {
		var win = window.open(url);
		win.focus();
	}
}



function contact_form_on_submit(msg1, msg2, msg3) {
	if (document.forms.f.imie_nazwisko.value == '') {
		alert(msg1);
		document.forms.f.imie_nazwisko.focus();
		return false;
	}
	if (document.forms.f.email.value.indexOf('@') < 0) {
		alert(msg2);
		document.forms.f.email.focus();
		return false;
	}
	if (document.forms.f.tresc.value == '') {
		alert(msg3);
		document.forms.f.tresc.focus();
		return false;
	}
	return true;
}


function image_browser(field_id) {
	this.field_id = field_id;
	this.popup = image_browser_popup;
}

function image_browser_popup() {
	var field = document.getElementById(this.field_id); 
	openWindow('/dlg_image.php?field_id='+this.field_id+'&image_id='+field.value, 'image_browser', 600, 470);
}


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];}
}