function changeLanguage(newLang) {
	var myForm = document.changeLanguageForm;
	if (myForm) {
		if (newLang) {
			myForm.change_language.value = newLang;
		}
		myForm.submit();
	}
}

function viewpix(pic_id, dir_prefix, singleMode, gallery_id) {
	var params = '?id=' + pic_id;
	if (!dir_prefix) {
		dir_prefix = '';
	}
	if (singleMode) {
		params += '&mode=single';
	}
	if (gallery_id) {
		params += '&gallery=' + gallery_id;
	}
	var w = window.open(dir_prefix + 'album.php' + params, 'viewpix', 'top=3,left=3,width=100,height=100,location=0,menubar=0,directories=0,resizable=0,status=1,toolbar=0,scrollbars=0');
	w.focus();
	return w;
}

var opacityArrayShow = new Array(20, 40, 60, 80, 100);
var opacityArrayHide = new Array(80, 60, 40, 20, 0);

var commandsToRunNowShowHideDetails = new Array('setOpacityItemShow', 'setOpacityItemHide');

function showHideMenuItem(time, command, id) {
	removeToDo('showItem');
	runNowToDo('hideItem');
	runNowToDoDetails(commandsToRunNowShowHideDetails);
	addToDo(createCommand(time, command, id));
}

function menuItemOver(id) {
	showHideMenuItem(0, 'showItem', id);
}

function menuItemOut(id) {
	showHideMenuItem(20, 'hideItem', id);
}

function menuItemsOver(id) {
	resetToDo(true);
	addToDo(createCommand(0, 'onItem', id));
}

function menuItemsOut(id) {
	showHideMenuItem(20, 'hideItem', id);
}

function addItemDetails(itemArray, opacArray, command) {
	var itemLength = itemArray.length;
	var opacLength = opacArray.length;
	var i, j;
	for (i = 0; i < itemLength; i++) {
		var itemId = itemArray[i];
		for (j = 0; j < opacLength; j++) {
			addToDoDetails(createCommand(1, command, new Array(itemId, opacArray[j])));
		}
	}
}

function buildAddItemDetails(id, opacArray, show) {
	var submenuItemsCount = submenuItems[id - 1];
	var itemArray = new Array();
	var i;
	var command = show ? 'setOpacityItemShow' : 'setOpacityItemHide';
	opacArray = new Array().concat(opacArray);
	if (show) {
		addToDoDetails(createCommand(0, command, new Array('menu-selected-' + id, 100)));
		for (i = 0; i <= submenuItemsCount; i++) {
			itemArray.push('menu-subitem-' + id + '-' + i);
		}
		addItemDetails(itemArray, opacArray, command);
	} else {
		for (i = submenuItemsCount; i >= 0; i--) {
			itemArray.push('menu-subitem-' + id + '-' + i);
		}
		addItemDetails(itemArray, opacArray, command);
		addToDoDetails(createCommand(0, command, new Array('menu-selected-' + id, 0)));
	}
}

function processTimer(commandArray) {
	var command = commandArray[1];
	var id = commandArray[2];
	if (command == 'showItem') {
		buildAddItemDetails(id, opacityArrayShow, true);
	} else if (command == 'hideItem') {
		buildAddItemDetails(id, opacityArrayHide, false);
	} else if (command == 'onItem') {
		buildAddItemDetails(id, 100, true);
	} else if (command == 'offItem') {
		buildAddItemDetails(id, 0, false);
	} else if ((command == 'setOpacityItemShow') || (command == 'setOpacityItemHide')) {
		setOpacity(id, commandArray[3]);
	}
}

function checkRunNow(commandLine) {
	if (commandLine[1] == 'setOpacityItemHide') {
		if (commandLine[3] != 0) {
			commandLine = false;
		}
	} else if (commandLine[1] == 'hideItem') {
		commandLine[1] = 'offItem';
	}
	return commandLine;
}

/*
	functions "setOpacity..." based on a script from http://brainerror.net/
*/

function setOpacityShowHide(div, opac, visibility, display) {
	if (div) {
		if (opac == 0) {
			if (visibility) {
				div.style.visibility = 'hidden';
			}
			if (display) {
				div.style.display = 'none';
			}
		} else {
			div.style.filter = opac > 50 ? 'none' : 'alpha(opacity=' + opac + ')';
			var opacPercent = opac / 100;
			div.style.opacity = opacPercent;
			div.style.MozOpacity = opacPercent;
			div.style.KhtmlOpacity = opacPercent;
			if (visibility) {
				div.style.visibility = 'visible';
			}
			if (display) {
				div.style.display = '';
			}
		}
	}
}

function setOpacityDiv(div, opac) {
	setOpacityShowHide(div, opac, false, true);
}

function setOpacity(id, opac) {
	setOpacityDiv(document.getElementById(id), opac);
}

function music_change(url, img, mOn) {
	window.parent.zene.location.href = url;
	var i = document.getElementById('speaker_img');
	if (i) {
		i.src = img;
	}
	music_on = mOn;
}

function music_start(imgPathCss) {
	music_change('zene01.php', imgPathCss + 'hang_be.gif', true);
}

function music_stop(imgPathCss) {
	music_change('zene_off.php', imgPathCss + 'hang_ki.gif', false);
}

function swap_music(imgPathCss) {
	if (music_on) {
		music_stop(imgPathCss);
	} else {
		music_start(imgPathCss);
	}
}

function showSpeaker() {
	if (window.parent.zene) {
		var speaker = document.getElementById('speaker');
		if (speaker) {
			speaker.style.display = '';
		}
	}
}

function highlightDesign(show) {
	var design = document.getElementById('design');
	if (design) {
		design.className = show ? 'design design-highlight' : 'design';
	}
}

var lakasDetailsPicKepId = -1;
var bigDetailsPix = new Array();

function setLakasDetailsPic(kepId) {
	lakasDetailsPicKepId = kepId;
	var detailsPic = document.getElementById('lakas-details-pic');
	if (detailsPic) {
		detailsPic.src = '../../../../../images/galeria/7/' + kepId + '_7.jpg';
		var detailsPicA = detailsPic.parentNode;
		if (detailsPicA) {
			detailsPicA.href = 'showpic.php?id=' + kepId;
		}
	}
}

function showBigDetailsPic(lakasId) {
	var i;
	var length = bigDetailsPix.length;
	for (i = 0; i < length; i++) {
		if (bigDetailsPix[i][0] == lakasDetailsPicKepId) {
			var width = eval(bigDetailsPix[i][1]);
			var height = eval(bigDetailsPix[i][2]);
			if (width > 980) {
				width = 980;
			}
			if (height > 610) {
				height = 610;
			}
			width += 20;
			height += 30;
			var w = window.open('../../../../bigpic.php?id=' + lakasDetailsPicKepId + '&app=' + lakasId, 'showBigDetailsPic', 'top=3,left=3,width=' + width + ',height=' + height + ',location=0,menubar=0,directories=0,resizable=0,status=1,toolbar=0,scrollbars=0');
			w.focus();
			i = length;
		}
	}
}

function validateForm(formName) {
	var myForm = eval('document.' + formName + 'Form');
	var fieldCount = eval(myForm.hidden_field_count.value);
	var i;
	var isOK = true;
	var firstField = false;
	for (i = 1; i <= fieldCount; i++) {
		var requied = eval('myForm.hidden_requied_' + i);
		if (requied) {
			var field = eval('myForm.input_' + i);
			if (field) {
				if (field.value == '') {
					requied = true;
					if (!firstField) {
						firstField = field;
					}
				} else {
					requied = false;
				}
			} else {
				requied = false;
			}
		} else {
			requied = false;
		}
		var td = document.getElementById(formName + '_form_' + i + '_td');
		if (td) {
			td.style.background = requied ? '#FF0000' : '';
		}
		isOK = isOK && !requied;
	}
	if (!isOK) {
		if (firstField) {
			firstField.focus();
		}
		if (alertRequiedFields) {
			alertRequiedFields();
		}
	}
	return isOK;
}

function setFocus(itemSetFocus) {
	if (itemSetFocus) {
		itemSetFocus.focus();
		if (itemSetFocus.type == 'text') {
			itemSetFocus.select();
		}
	}
}

function showGoogleMap(mapId, coord1, coord2, zoom, infoText) {
	var ok = false;
	if (GBrowserIsCompatible()) {
		var map = new GMap2(document.getElementById(mapId));
		var point = new GLatLng(coord1, coord2);
        map.addControl(new GLargeMapControl());
//        map.addControl(new GOverviewMapControl());
        map.addControl(new GMapTypeControl());
		map.setCenter(new GLatLng(coord1+0.002, coord2), zoom);
        var marker = new GMarker( new GLatLng(coord1, coord2) );
        map.addOverlay( marker );
        marker.openInfoWindowHtml(infoText);
		ok = true;
	}
	return ok;
}

var lakasTerkepId = -1;

function showLakasTerkep(lakasId, coord1, coord2, zoom, infoText) {
	if (lakasId != lakasTerkepId) {
		hideLakasTerkep(lakasTerkepId);
		var iframe = document.getElementById('google_map_' + lakasId);
		if (iframe) {
			if (iframe.src.indexOf('googlemap.php') == -1) {
				iframe.src = 'googlemap.php?h=380&y=' + coord1 + '&x=' + coord2 + '&z=' + zoom + '&d=' + infoText;
			}
		}
		document.getElementById('lakas-terkep-' + lakasId).style.display = '';
		lakasTerkepId = lakasId;
	}
}

function hideLakasTerkep(lakasId) {
	if (lakasTerkepId != -1) {
		document.getElementById('lakas-terkep-' + lakasId).style.display = 'none';
		lakasTerkepId = -1;
	}
}

var subitemShow = false;
var subitemTimeout = false;

function showSubmenuItems(id) {
	if (subitemShow) {
		hideSubmenuItemsTimeout(subitemShow, 0, -1);
	}
	subitemShow = id;
	setOpacity('menu-subitem-'+id, 100);
}

function hideSubmenuItems(id) {
	hideSubmenuItemsTimeout(id, 80, 1000);
}

function hideSubmenuItemsTimeout(id, opac, wait) {
	keepSubitem();
	var divId = 'menu-subitem-'+id;
	if (opac < 0) {
		setOpacity(divId, 0);
	} else {
		if (wait <= 0) {
			setOpacity(divId, opac);
			wait = 100;
			opac -= 20;
		}
		if (opac >= 0) {
			subitemTimeout = setTimeout('hideSubmenuItemsTimeout('+id+', '+opac+', -1)', wait);
		}
	}
}

function keepSubitem() {
	if (subitemTimeout) {
		clearTimeout(subitemTimeout);
	}
}

function initSubitem(subid, id) {
	var item = document.getElementById('menu-item-' + id);
	var subitem = document.getElementById('menu-subitem-' + subid);
	var subitemToCalc = document.getElementById('menu-subitem-' + subid + '-to-calc');
	subitemToCalc.style.display = '';
	var widthSubitem = subitemToCalc.clientWidth;
	subitemToCalc.style.display = 'none';
	var width = item.clientWidth-6;
	subitem.style.width = (widthSubitem < width ? width : widthSubitem) + 'px';
}

function startSlideshow(imgArray) {
	showNextSlideshowImage(imgArray, -1);
}

function showNextSlideshowImage(imgArray, opac) {
	var images = eval(imgArray);
	var img1 = images[2];
	var img2 = images[3];
	if (opac < 0) {
		img1.src = img2.src;
		setOpacityDiv(img1, 100);
		images[0]++;
		if (images[0] == images[1]) {
			images[0] = 4;
		}
		setOpacityDiv(img2, 0);
		img2.src = images[images[0]];
		setTimeout('showNextSlideshowImage(\'' + imgArray + '\', 100)', 5000);
	} else {
		opac -= 10;
		setOpacityDiv(img2, 100-opac);
		setOpacityDiv(img1, opac < 0 ? 0 : opac);
		setTimeout('showNextSlideshowImage(\'' + imgArray + '\', ' + opac + ')', 150);
	}
}

function showTurizmusForm(value) {
	var select = document.turizmusForm.input_1;
	if (select) {
		select.value = value;
		select.focus();
	}
}