// Popup window with auto centering and adjustable dimensions
function popupWin(url, name, width, height) {
	var wint = (screen.height-height)/2;
	var winl = (screen.width-width)/2;
	var settings  = 'width='+width+',height='+height+',top='+wint+',left='+winl+',scrollbars=yes,resizable=no,toolbar=no,directories=no,status=no,menuBar=no';
	newWin = window.open(url, 'name', settings);
	if (parseInt(navigator.appVersion) >= 4) {
		newWin.window.focus();
	}
}

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_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_findObj(n, d) { // v4.0
	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 && document.getElementById)
		x = document.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_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 showGallery(galleryID) {
  for (var i=1; i<=galleryCount; i++) {
    if (document.getElementById('gallery' + i) != null) {
      document.getElementById('gallery' + i).style.display = 'none';
    }
  }
  document.getElementById(galleryID).style.display = 'block';
  return false;
}

var flag_error = 1;

function valClient() {
	if (document.client.username.value == "") {
		show('warn_username');
		document.client.username.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_username');
		document.client.username.style.backgroundColor = ""
	}
	if (document.client.password.value == "") {
		show('warn_password');
		document.client.password.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_password');
		document.client.password.style.backgroundColor = ""
	}
	if (document.client.clientName.value == "") {
		show('warn_clientName');
		document.client.clientName.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_clientName');
		document.client.clientName.style.backgroundColor = ""
	}
	window.open("#top", target="_self");
	if (flag_error == 0) {
		document.client.submit();
	}
	flag_error = 0;
}

function valGallery() {
	if (document.gallery.galleryName.value == "") {
		show('warn_galleryName');
		document.gallery.galleryName.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_galleryName');
		document.gallery.galleryName.style.backgroundColor = ""
	}
	window.open("#top", target="_self");
	if (flag_error == 0) {
		document.gallery.submit();
	}
	flag_error = 0;
}

function valFile() {
	if (document.file.fileName.value == "") {
		show('warn_fileName');
		document.file.fileName.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_fileName');
		document.file.fileName.style.backgroundColor = ""
	}
	if (document.file.fileUrl.value == "") {
		show('warn_fileUrl');
		document.file.fileUrl.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_fileUrl');
		document.file.fileUrl.style.backgroundColor = ""
	}
	window.open("#top", target="_self");
	if (flag_error == 0) {
		document.file.submit();
	}
	flag_error = 0;
}

function valUser() {
	if (document.user.username.value == "") {
		show('warn_username');
		document.user.username.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_username');
		document.user.username.style.backgroundColor = ""
	}
	if (document.user.password.value == "") {
		show('warn_password');
		document.user.password.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_password');
		document.user.password.style.backgroundColor = ""
	}
	window.open("#top", target="_self");
	if (flag_error == 0) {
		document.user.submit();
	}
	flag_error = 0;
}

function valUpload() {
	if (document.upload.file.value == "") {
		show('warn_file');
		document.upload.file.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_file');
		document.upload.file.style.backgroundColor = ""
	}
	window.open("#top", target="_self");
	if (flag_error == 0) {
		document.upload.submit();
	}
	flag_error = 0;
}

function valBooking() {
	if (document.booking.name.value == "") {
		show('warn_name');
		document.booking.name.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_name');
		document.booking.name.style.backgroundColor = ""
	}
	if (document.booking.email.value == "") {
		show('warn_email');
		document.booking.email.style.backgroundColor = "#ffffcc"
	} else {
		hide('warn_email');
		document.booking.email.style.backgroundColor = ""
	}
	window.open("#top", target="_self");
	if (flag_error == 0) {
		document.booking.submit();
	}
	flag_error = 0;
}

function show(id) {
	document.getElementById(id).style.display = "";
	flag_error = 1;
}

function hide(id) {
	document.getElementById(id).style.display = "none";
	flag_error = 0;
}