// -- LANG constant -----------------------------------------------------------------
var LANG = 'en';
var CURRENCY = 'HKD';
var CURRENCY_SYM = 'HK$';
var IMG_DIR = '/v2/lang/en/images';
var __ = {};
__['subscribe-em'] = 'Subscribe to e-Magazine';
__['adv-enquiry'] = 'Advertising Enquiry';
__['street-view'] = 'Street View';
__['map'] = 'Map';
__['satellite'] = 'Satellite';
__['share-with-fds'] = 'Share with Friends';
__['enquiry'] = 'Enquiry';
__['email-this-agent'] = 'Email this Agent';
__['refer-this-agent'] = 'Refer this Agent';
__['size'] = 'Size';
__['bed'] = 'Bed';
__['bath'] = 'Bath';
__['ensuite-abbr'] = 'En';
__['size-unit'] = 'sq.ft.';
__['rental'] = 'Rental';
__['price'] = 'Price';
__['ref#'] = 'Property#';
__['del'] = 'Delete';
__['min'] = 'Min';
__['max'] = 'Max';
__['save-this-prop-to-myhome'] = 'Save this Property to \'MyOffices\'';
__['remove-this-prop-fr-myhome'] = 'Remove this Property from \'MyOffices\'';
__['is-del-this-prop'] = 'Remove this Property from \'MyOffices\'?';
__['is-del-this-item'] = 'Remove this item from \'MyOffices\' ?';
__['is-del-all-props'] = 'Remove all Properties belong to this list from \'MyOffices\' ?';
__['is-del-all-items'] = 'Remove all items belong to this list from \'MyOffices\' ?';
__['pls-enter-email-addr'] = 'Please enter your email address.';
__['pls-enter-pwd'] = 'Please enter your password.';
// __['no-items-saved'] = 'No items saved yet.';
__['no-items-saved'] = '<img src="/v2/lang/en/images/common/my_home_message.jpg" style="margin-left: -25px;" />';
// __["timer-year"] = 'timer-year';
// __["timer-month"] = 'timer-month';
// __["timer-day"] = 'timer-day';
// __["timer-hr"] = 'timer-hr';
// __["timer-hour"] = 'timer-hour';
// __["timer-minute"] = 'timer-minute';
// __["timer-sec"] = 'timer-sec';

// ----------------------------------------------------------------------------------

var hkh = hkh || {};
hkh.obj = {};

function selectMenu(item)
{
	$('#menu-'+item).addClass('selected');
}

function isiPad()
{
	return navigator.platform.indexOf("iPad") != -1
}
function isiPhone()
{
	return navigator.platform.indexOf("iPhone") != -1 || navigator.platform.indexOf("iPod") != -1
}
function isiDevice()
{
	return isiPad() || isiPhone();
}

function getCookie(key)
{
	var val = '';

	var i, x, y;
	var cookies = document.cookie.split(";");
	for (var i = 0; i < cookies.length; i++)
	{
		x = cookies[i].substr(0,cookies[i].indexOf("="));
		y = cookies[i].substr(cookies[i].indexOf("=") + 1);
		x = x.replace(/^\s+|\s+$/g, "");
		if (x == key)
		{
			val = decodeURIComponent(y);
			break;
		}
	}

	return val;
}

function setCookie(key, val, is_delete)
{
	var expires = new Date();
	expires.setTime(expires.getTime() + 1000 * 60 * 60 * 24 * 365 * 20); // expiry after 20 years

	if (is_delete)
	{
		expires.setTime(1000 * 60 * 60 * 24 * 365 * 20 * -1);
	}

	var domain = window.location.hostname.split('.');
	var domain_str = '';
	var idx = 0;
	if (domain[0] == 'www')
		idx = 1;
	for (var i=idx; i < domain.length; i++)
		domain_str += '.'+domain[i];

	document.cookie = key + '=' + encodeURIComponent(val) + '; path=/; expires=' + expires.toGMTString() + "; domain="+domain_str;
}

function deleteCookie(key)
{
	setCookie(key, '', true);
}

var email_pattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;

var multiEmailVaildation = {
	version		:"0.0.1",
	separator	:"\n",
	check		: function( email_str ) {
					invaild = true;
					emails = email_str.split( this.separator );
					for (var i = 0; i < emails.length; i++) {
						email = emails[i].replace(/\s+/,"");
						if( email.length > 0 ) {
							if (!this.validate(emails[i]) ) {
								alert('one or more email addresses entered is invalid.');
								return false;
							}
							invaild = false;
						}
					}
					return ( invaild ) ? false:true;
				},
	validate	: function( email ){
					email_pattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
					return email_pattern.test(email);
				}
}

function openPopup(url, w, h, window_name)
{
	if (typeof window_name == 'undefined')
	{
		window_name = '';
	}

	if (typeof w == 'undefined')
		w = 700;

	if (typeof h == 'undefined')
		h = 750;

	window.open(url, window_name, "toolbar=no, location=no, directories=no, status=yes, menubar=no, scrollbars=yes, resizable=no, width=" + w + ", height=" + h + ", left=" + ((window.screen.availWidth - (w + 4)) / 2) + ", top=" + ((window.screen.availHeight - (h + 50)) / 2));
}

function fbs_click()
{
	u=location.href;
	t=document.title;
	window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer','toolbar=0,status=0,width=626,height=436');
	return false;
}

// -- customSelect -------------------------------------------------------------------------------------
function formatNum(g)
{
	var h = parseInt(g, 10);
	if (isNaN(h))
	{
		return g
	}
	if (h < 10000)
	{
		return h
	}
	return h >= 1000000 ? (h / 1000000).toFixed(2).replace(/(\.[1-9]*)0+$/, "$1").replace(/\.$/, "") + "M" : (h / 1000).toFixed(2).replace(/\.0+$/, "") + "K"
}

function formatLocationSelectorWindowText(dropdown)
{
	var display_txts = '';

	var group_ids = [];

	var selected_vals = [];
	$('input:checked', dropdown).each(function () {
		selected_vals.push(this.value);
	});
	$.each(selected_vals, function (i, val) {
		if (val.indexOf(',') != -1)
		{
			group_ids.push(val);
		}
	});
	if (group_ids.length > 0)
	{
		display_txts = [];
		var pvc_ids_regex = [];
		$.each(group_ids, function (i, val) {
			pvc_ids_regex.push(val.replace(/,/g, '|'));
		});

		pvc_ids_regex = '^('+pvc_ids_regex.join('|')+')$';
		pvc_ids_regex = new RegExp(pvc_ids_regex);

		$('input', dropdown)
			.filter(function () {
				var is_not_in_group = this.value.match(pvc_ids_regex) == null;
				var is_checked = $(this).is(':checked');

				return is_not_in_group && is_checked;
			})
			.each(function () {
				display_txts.push($(this).parent().find('label').html());
			});

		display_txts = display_txts.join(', ');
	}

	dropdown.parent().prev().customSelect('setWindowText', display_txts);
}

function formatLocationSelectorDropdownOptions(dropdown)
{
	dropdown.width(250);

	$('input[value*=","]', dropdown).each(function () {
		var self = $(this);

		self.parent().addClass('group');

		var pvc_ids_regex = self.val().replace(/,/g, '|');
		pvc_ids_regex = '^('+pvc_ids_regex+')$';
		pvc_ids_regex = new RegExp(pvc_ids_regex);
		self.change(function () {
			var is_checked = self.is(':checked');
			self.parent().parent()
				.find('input')
				.filter(function () {
					return this.value.match(pvc_ids_regex);
				})
				.each(function () {
					$(this).attr('checked', is_checked);
				});
			formatLocationSelectorWindowText(dropdown);
		});
	});

	$('input', dropdown)
		.filter(function () {
			return this.value.match(/^\d+$/);
		})
		.each(function () {
			var self = $(this);
			self.val();

			self.parent().addClass('group-sub-item');

			var this_group_ids = '';
			self.change(function () {
				var is_checked = self.is(':checked');
				self.parent().parent()
					.find('input[value*=","]')
					.filter(function () {
						var all_group_ids = ','+this.value+',';
						return all_group_ids.indexOf(','+self.val()+',') != -1
					})
					.each(function () {
						if (is_checked)
						{
							var is_all_checked = true;
							var pvc_ids_regex = $(this).val().replace(/,/g, '|');
							pvc_ids_regex = '^('+pvc_ids_regex+')$';
							pvc_ids_regex = new RegExp(pvc_ids_regex);
							$(this).parent().parent()
								.find('input')
								.filter(function () {
									return this.value.match(pvc_ids_regex);
								})
								.each(function () {
									if (!$(this).is(':checked'))
									{
										is_all_checked = false;
										return false;
									}
								});

							if (is_all_checked)
								$(this).attr('checked', true);
						}
						else
							$(this).attr('checked', false);
					});

				formatLocationSelectorWindowText(dropdown);
			});
		});
}

var customSelect_opts = {
	customValue: false,
	placeholder: '',
	customValuePlaceholder: 'custom',
	change: function (h) {
		if (h.originalEvent) {
			$(this).trigger("customselectblur");
		}
	},
	windowFormatter: function (h)
	{
		if (h === this.placeholder)
		{
			return this.placeholder;
		}

		if (h.match(/\+$/))
		{
			return h;
		}

		h = h.replace(/^\$/, "").replace(/,/, "");
		if (!h.match(/(K|k|M|m)$/))
		{
			h = formatNum(h)
		}
		return h;
	},
	customValidator: function (h, j)
	{
		if (j !== "")
		{
			var k = 1,
				i = true;
			j = j.replace(/,/g, "");
			switch (j.charAt(j.length - 1).toLowerCase())
			{
				case "k":
					k = 1000;
					j = j.substr(0, j.length - 1);
					break;
				case "m":
					k = 1000000;
					j = j.substr(0, j.length - 1);
					break
			}
			if (j.indexOf(".") !== -1)
			{
				if (j.match(/\./g).length > 1)
				{
					i = false
				}
			}
			if (j.match(/[^\d.]/g))
			{
				i = false
			}
			if (i)
			{
				return Math.round(parseFloat(j) * k) + ""
			}
			else
			{
				h.setCustomValueError('Invalid value');
				return false;
			}
		}
		return ""
	}
}
// ------------------------------------------------------------------------------------------------------

$(window).load(function () {
	// -- select-location hook ----------------------------------------------------------------
	$('#select-location_customSelect .ui-customSelect-dropdown').ready(function () {
		var dropdown = $('#select-location_customSelect .ui-customSelect-dropdown');
		formatLocationSelectorDropdownOptions(dropdown);
	});
	$('#select-rent-location_customSelect .ui-customSelect-dropdown').ready(function () {
		var dropdown = $('#select-rent-location_customSelect .ui-customSelect-dropdown');
		formatLocationSelectorDropdownOptions(dropdown);
	});
	$('#select-buy-location_customSelect .ui-customSelect-dropdown').ready(function () {
		var dropdown = $('#select-buy-location_customSelect .ui-customSelect-dropdown');
		formatLocationSelectorDropdownOptions(dropdown);
	});
	// --------------------------------------------------------------------------------
});

$(function () {
	// -- main menu ----------------------------------------
	$('#menu .items .item').hover(
		function () {
			var item = $(this);

			item.addClass('mouseover');
			$('.sub-items', item).show();
		},
		function () {
			var item = $(this);

			item.removeClass('mouseover');
			$('.sub-items', item).hide();
		}
	);

	// set the margin-left for drop down for different fonts
	$('#menu-coml-office, #menu-ind, #menu-agents_blog, #menu-living_hk, #menu-about_us, #menu-our_services, #menu-myhomes').each(function () {
		var w = $(this).width() - 2; // - 2 for border width
		$('.top-spacer', this).css('margin-left', w);
	});

	// -----------------------------------------------------

	// -- on button mouse over -----------------------------
	$('.button.gray-90').hover(
		function () {
			$(this).addClass('gray-90-over');
		},
		function () {
			$(this).removeClass('gray-90-over');
		}
	);

	$('.button.gray-43').hover(
		function () {
			$(this).addClass('gray-43-over');
		},
		function () {
			$(this).removeClass('gray-43-over');
		}
	);

	$('.button.gold-90').hover(
		function () {
			$(this).addClass('gold-90-over');
		},
		function () {
			$(this).removeClass('gold-90-over');
		}
	);

	$('.button.gold-138').hover(
		function () {
			$(this).addClass('gold-138-over');
		},
		function () {
			$(this).removeClass('gold-138-over');
		}
	);

	$('.button.gold-165').hover(
		function () {
			$(this).addClass('gold-165-over');
		},
		function () {
			$(this).removeClass('gold-165-over');
		}
	);

	$('.icon-button.edit').hover(
		function () {
			$(this).addClass('edit-over');
		},
		function () {
			$(this).removeClass('edit-over');
		}
	);

	$('.icon-button.save').hover(
		function () {
			$(this).addClass('save-over');
		},
		function () {
			$(this).removeClass('save-over');
		}
	);

	$('.icon-button.remove-saved').hover(
		function () {
			$(this).addClass('remove-saved-over');
		},
		function () {
			$(this).removeClass('remove-saved-over');
		}
	);

	$('.icon-button.enquiry').hover(
		function () {
			$(this).addClass('enquiry-over');
		},
		function () {
			$(this).removeClass('enquiry-over');
		}
	);

	$('.icon-button.print').hover(
		function () {
			$(this).addClass('print-over');
		},
		function () {
			$(this).removeClass('print-over');
		}
	);

	$('.icon-button.pdf').hover(
		function () {
			$(this).addClass('pdf-over');
		},
		function () {
			$(this).removeClass('pdf-over');
		}
	);

	$('.icon-button.detail-pro-desc').hover(
		function () {
			$(this).addClass('detail-pro-desc-over');
		},
		function () {
			$(this).removeClass('detail-pro-desc-over');
		}
	);
	// -----------------------------------------------------



	// -- myhomes box --------------------------------------
	$('.myhomes-box .item').each(function () {
		var item = $(this);
		var sub_items = item.parent().children('.sub-items');
		var sub_items_len = sub_items.length;
		if (sub_items_len > 0)
		{
			item.click(function (event) {
				event.preventDefault();
				$(this).parent().children('.sub-items').toggle();
			});
		}
	});
	// -----------------------------------------------------

	// -- search-main-box --------------------------------------
	$('.search-main-box .item').each(function () {
		var item = $(this);
		var sub_items = item.parent().children('.sub-items');
		var sub_items_len = sub_items.length;
		if (sub_items_len > 0)
		{
			item.click(function (event) {
				event.preventDefault();
				$(this).parent().children('.sub-items').toggle();
			});
		}
	});
	// -----------------------------------------------------

	// -- customSelect ------------------------------------------------------------------------
	$('.refine-search-box').each(function () {
		customSelect_opts_min  = $.extend(true, {}, customSelect_opts);
		customSelect_opts_min.customValue = true;
		customSelect_opts_min.placeholder = 'Min';

		customSelect_opts_max  = $.extend(true, {}, customSelect_opts);
		customSelect_opts_max.customValue = true;
		customSelect_opts_max.placeholder = 'Max';

		var customSelect_opts_for_money_type  = $.extend(true, {}, customSelect_opts);
		customSelect_opts_for_money_type.change = function (h) {
			if (h.originalEvent)
			{
				$(this).trigger("customselectblur");

				var money_type = $(this).val();
				var per_unit_sel_boxes = $('.money-per-unit-sel-boxes');
				var total_sel_boxes = $('.money-total-sel-boxes');
				if (money_type == 'per_unit')
				{
					per_unit_sel_boxes.show().find('select').attr('disabled', false);
					total_sel_boxes.hide().find('select').attr('disabled', true);
				}
				else
				{
					per_unit_sel_boxes.hide().find('select').attr('disabled', true);
					total_sel_boxes.show().find('select').attr('disabled', false);
				}

			}
		};
		$('.money-type').customSelect(customSelect_opts_for_money_type);

		$('#select-sale-avail').customSelect(customSelect_opts);

		var val_fr = parseInt($('#select-unit-money-fr').parent().find('.arg-val').val());
		var val_to = parseInt($('#select-unit-money-to').parent().find('.arg-val').val());
		customSelect_opts_min.customValue = val_fr > 0 ? val_fr : true;
		customSelect_opts_max.customValue = val_to > 0 ? val_to : true;
		$('#select-unit-money-fr').customSelect(customSelect_opts_min);
		$('#select-unit-money-to').customSelect(customSelect_opts_max);

		var val_fr = parseInt($('#select-money-fr').parent().find('.arg-val').val());
		var val_to = parseInt($('#select-money-to').parent().find('.arg-val').val());
		customSelect_opts_min.customValue = val_fr > 0 ? val_fr : true;
		customSelect_opts_max.customValue = val_to > 0 ? val_to : true;
		$('#select-money-fr').customSelect(customSelect_opts_min);
		$('#select-money-to').customSelect(customSelect_opts_max);

		var val_fr = parseInt($('#select-size-fr').parent().find('.arg-val').val());
		var val_to = parseInt($('#select-size-to').parent().find('.arg-val').val());
		customSelect_opts_min.customValue = val_fr > 0 ? val_fr : true;
		customSelect_opts_max.customValue = val_to > 0 ? val_to : true;
		$('#select-size-fr').customSelect(customSelect_opts_min);
		$('#select-size-to').customSelect(customSelect_opts_max);

		customSelect_opts_min.customValue = false;
		customSelect_opts_max.customValue = false;

		$('#select-bed-fr').customSelect(customSelect_opts_min);
		$('#select-bed-to').customSelect(customSelect_opts_max);

		$('#select-bath-fr').customSelect(customSelect_opts_min);
		$('#select-bath-to').customSelect(customSelect_opts_max);

		customSelect_opts = {
			placeholder: 'Please select',
			isDelegateSetWindowTextFunction: 1
		}
		$('#select-location').customSelect(customSelect_opts);

		var dropdown = $('#select-location_customSelect .ui-customSelect-dropdown');
		formatLocationSelectorWindowText(dropdown);

		activatePlaceholders();
	});

	// ----------------------------------------------------------------------------------------

	// -- refine search - multi-select-box  ----------------------------------------------------------------
	// $(document).click(function (e) {
		// if ($('.refine-search-box .multi-select-box')[0])
		// {
			// if (!$.contains($('.refine-search-box .multi-select-box')[0], e.target))
			// {
				// $('select[name="rental_fr"], select[name="rental_to"], select[name="size_fr"], select[name="size_to"], select[name="bed_fr"], select[name="bed_to"], select[name="bath_fr"], select[name="bath_to"]', $('.refine-search-box .row')).css('visibility', 'visible');

				// $('.refine-search-box .multi-select-box .box-opts').hide();
			// }
		// }
	// });

	// $('.refine-search-box .multi-select-box .box-heading').click(function () {
		// $('select[name="rental_fr"], select[name="rental_to"], select[name="size_fr"], select[name="size_to"], select[name="bed_fr"], select[name="bed_to"], select[name="bath_fr"], select[name="bath_to"]', $('.refine-search-box .row')).css('visibility', 'hidden');

		// $('.refine-search-box .multi-select-box .box-opts').show();
	// });

	// $('.refine-search-box .multi-select-box .box-opts input').change(function () {
		// var desc = $('.refine-search-box .multi-select-box .box-heading .box-heading-desc');
		// var len = $('.refine-search-box .multi-select-box .box-opts input:checked').length;
		// if (len == 0)
		// {
			// desc.html('Please select');
		// }
		// else
		// {
			// desc.html(len + ' selected');
		// }
	// });

	// // count selection after form submit to other page
	// $('.refine-search-box .multi-select-box .box-opts').each(function () {
		// var desc = $('.refine-search-box .multi-select-box .box-heading .box-heading-desc');
		// var len = $('.refine-search-box .multi-select-box .box-opts input:checked').length;
		// if (len == 0)
		// {
			// desc.html('Please select');
		// }
		// else
		// {
			// desc.html(len + ' selected');
		// }
	// });
	// // -----------------------------------------------------------------------------------------------

	// if (isiDevice())
	// {
		// $('.multi-select-box .box-opts').css('height', 'auto');
	// }

	$('.refine-search-box .body .row .sub-section').click(function () {
		$(this).parent().siblings('.chk-opts').toggle();
	});



	// -- form search --------------------------------------
	$('.btn-refine-search').click(function () {
		$('#form-refine-search').submit();
	});
	// -----------------------------------------------------

	// -- form search - login_box --------------------------------------
	$('.login-box form#form-login .btn-login').click(function () {
		var ele_val = null;

		var email  = $('input[name="email"]');
		ele_val = $.trim(email.val());
		if (!ele_val)
		{
			alert(__['pls-enter-email-addr']);
			return false;
		}

		ele_val = $.trim($('input[name="pw"]').val());
		if (!ele_val)
		{
			alert(__['pls-enter-pwd']);
			return false;
		}

		if (!email_pattern.test(email.val()))
		{
			alert('Invalid Email');
			return false;
		}

		$('form#form-login').submit();
	});
	// -----------------------------------------------------


	// -- result page change order ------------------------------------------------
	$('#result_order').change(changeResultOrder);
	$('#result_rec_per_page').change(changeResultRecPerPage);
	// ----------------------------------------------------------------------------



	$('.recently-viewed-props').each(function () {
		RecentlyViewedProperties.init();
	});

	$('.agent-card .email span').click(function () {
		var url = $('input.email-link:hidden', this).val();
		var is_enquiry_link = $('input.is-enquiry-link:hidden', this).val() == '1';
		if (is_enquiry_link)
			openEnquiryBox(url);
		else
			openEmailAgentBox(url);
	});

	var h_lease = $('.popular-districts .lease .content').height();
	var h_sale = $('.popular-districts .sale .content').height();
	if (h_lease != h_sale)
	{
		if (h_lease < h_sale)
		{
			alert($('.popular-districts .lease .content'));
			$('.popular-districts .lease .content').height(h_sale);
		}
		else if (h_sale < h_lease)
		{
			alert($('.popular-districts .lease .content'));
			$('.popular-districts .sale .content').height(h_lease);
		}
	}

	// IE6 png fix
	if (navigator.userAgent.indexOf('MSIE') != -1)
	{
		$(document).pngFix();
	}

	// change currency
	$('.currency-selector').each(function () {
		$('.change-currency a').simpletip({
			content: $('.currency-selector').html(),
			baseClass: 'currency-selector',
			persistent: true,
			focus: true,
			position:[-15, 15],
			onShow: function () {
				if (navigator.userAgent.indexOf('MSIE') != -1)
					$('.change-currency').pngFix();
			}
		});
	});



	// MyHomesKeeper
	hkh.obj.myhomes = {};

	var config = {
		'container': 'myhomes-keeper'
	};
	hkh.obj.myhomes.keeper = new hkh.MyHomesKeeper.instance(config);
	$('#myhomes-keeper-activator').click(function () {
		hkh.obj.myhomes.keeper.ui.toggle();
	});

	config = {
		img_dir: IMG_DIR,
		myhomes_keeper: hkh.obj.myhomes.keeper,
		is_hide: true
	};
	hkh.obj.actionbar = new hkh.ActionBar(config);
});

function activatePlaceholders()
{
	if ($.browser.msie)
	{
		var inputs = document.getElementsByTagName('input');
		for (var i = 0; i < inputs.length; i++)
		{
			if (inputs[i].getAttribute('type') == 'text')
			{
				if (inputs[i].getAttribute('placeholder') && inputs[i].getAttribute('placeholder').length > 0)
				{
					inputs[i].value = inputs[i].getAttribute('placeholder');
					inputs[i].onclick = function ()
					{
						if (this.value == this.getAttribute('placeholder'))
						{
							this.value = '';
						}
						return false;
					}
					inputs[i].onblur = function ()
					{
						if (this.value.length < 1)
						{
							this.value = this.getAttribute('placeholder');
						}
					}
				}
			}
		}
	}
}

function updateCaptcha()
{
	var t = Math.random();
	$('#captcha')[0].innerHTML = '<img src="/v2/lang/en/images/common/spinner.gif" />';
	var img = new Image(1,1);
	img.src = '/v2/captcha/img.php?t='+t;
	img.onload = function() {
		$('#captcha')[0].innerHTML = '<img src="'+img.src+'" onclick="updateCaptcha();" style="cursor:hand;cursor:pointer;" />';
	}
	$('#sec_code')[0].value = '';
}

function changeResultOrder()
{
	var arg_val = $(this).val();
	changeResultLink('order', arg_val);
}
function changeResultRecPerPage()
{
	var arg_val = $(this).val();
	changeResultLink('rec_per_page', arg_val);
}
function changeResultLink(arg_type, arg_val)
{
	var ln = window.location.href;

	var ln_parts = ln.split('?');
	var url = ln_parts[0];
	var arg_parts = [];
	if (typeof(ln_parts[1]) != 'undefined')
		arg_parts = ln_parts[1].split('&');

	// remove the order & page_no in GET URL
	for (var i=0; i < arg_parts.length; i++)
	{
		var arg = arg_parts[i];
		if (arg.indexOf(arg_type+'=') == 0 || arg.indexOf('page_no=') == 0)
		{
			delete arg_parts[i];
		}
	}

	// add args
	arg_parts.push(arg_type+'='+arg_val);
	arg_parts.push('page_no=1');

	var new_arg_parts = [];
	for (var i=0; i < arg_parts.length; i++)
	{
		if (arg_parts[i])
			new_arg_parts.push(arg_parts[i]);
	}

	window.location.href = url+'?'+new_arg_parts.join('&');
}

function setGridHeight(ele, items_per_row)
{
	var rows = [];
	var rows_max_h = [];
	var cols = [];
	var max_h = 0;
	ele.each(function (idx) {
		cols.push(this);

		var h = $(this).height();
		if (h > max_h)
		{
			max_h = h;
		}

		if (cols.length == items_per_row || idx == (ele.length - 1))
		{
			rows.push(cols);
			rows_max_h.push(max_h);

			cols = [];
			max_h = 0;
		}
	});

	$.each(rows, function (i, a_row) {
		$.each(a_row, function (j, item) {
			$(item).height(rows_max_h[i]);
		})
	});
}

function htmlspecialchars(string)
{
	string = string.replace(/&/g, '&amp;');
	string = string.replace(/</g, '&lt;');
	string = string.replace(/>/g, '&gt;');
	string = string.replace(/"/g, '&quot;');
	string = string.replace(/\'/g, '&#039;');

	return string;
}

function nl2br(str)
{
	return str.replace(/\r\n|\r|\n/g, '<br>')
}

// -- xx minutes ago -------------------------------------------------------------------
function initUpdateTimeCounter()
{
	startUpdateTimeCounter();

	setInterval(
		startUpdateTimeCounter,
		60000
	);
}
function startUpdateTimeCounter()
{
	// var isie6 = (navigator.userAgent.match(/MSIE\s6/i) != null);

	var abbr = document.getElementsByTagName("span");
	for( i=0; i< abbr.length; i++ ) {
		e = abbr[i];
		if( e.className=='exp-time' ) {

			$(e).html(check_datetime_exp( e.title ));

			// if (isie6)
				// e.outerHTML = check_datetime_exp( e.title );
			// else
				// e.innerHTML = check_datetime_exp( e.title );
		}
	}
}

function check_datetime_exp( the_dt ) {
	var n = new Date();
	var t = new Date( the_dt );
	var diff = n.valueOf() - t.valueOf();

	if( diff < 0 )
		return 'NaN';

	var r = new Date( diff );
	var	ret = '';
	var Y	= r.getYear();
	var M	= r.getMonth();
	var D	= r.getDate()-1;
	var h	= r.getHours()-8;
	var m	= r.getMinutes();
	var s	= r.getSeconds();
	var dyn = false;

	if (LANG == 'zh-hk' || LANG == 'zh-cn')
	{
		if( Y!=70 ){
			ret = ( Y-70 ) + '年前';
		} else {
			if( M!=0 ) {
				ret = M + '個月前';
			} else {
				dyn = true;
				if( D!=0 ) {
					ret = D + '日前';
				} else {
					if( h!=0 ) {
						if( m!= 0 ) {
							ret = h + '小時' + m + '分鐘前';
						} else {
							ret = h + '小時前';
						}
					} else {
						if( m!= 0 ) {
							ret = m + '分鐘前';
						} else {
							ret = s + '秒前';
						}
					}
				}
			}
		}
	}
	else
	{
		if( Y!=70 ){
			ret = ( Y-70 ) + plural_handling( ( Y-70 ) ," year__S__ ago", "s");
		} else {
			if( M!=0 ) {
				ret = M + plural_handling( M  ," month__S__ ago", "s");
			} else {
				dyn = true;
				if( D!=0 ) {
					ret = D + plural_handling( D , " day__S__ ago", "s");
				} else {
					if( h!=0 ) {
						if( m!= 0 ) {
							ret = h + plural_handling( h , " hr__S__ ", "s") + m + plural_handling( m , " minute__S__ ago", "s");
						} else {
							ret = h + plural_handling( h , " hour__S__ ago", "s");
						}
					} else {
						if( m!= 0 ) {
							ret = m + plural_handling( m , " minute__S__ ago", "s");
						} else {
							ret = s + plural_handling( s , " sec__S__. ago", "s");
						}
					}
				}
			}
		}
	}

	return ret;
}

function plural_handling(num, word, s) {
	var ret = '';
	if( num > 1 ) {
		if( s == 'ies' ) {
			ret = word.replace("y__S__", s );
		} else if( s == 'IES' ) {
			ret = word.replace("Y__S__", s );
		} else {
			ret = word.replace("__S__", s );
		}
	} else {
		ret = word.replace("__S__", "" );
	}

	return ret;
}
// -----------------------------------------------------------------------------



// -- RecentlyViewedProperties -------------------------------------------------
RecentlyViewedProperties =
{
	viewer: {},
	curr_page: 1,
	ttl_pages: 1,
	ttl_props: 0,
	is_next_handler_binded: false,
	is_prev_handler_binded: false,

	props_per_slot: 6,
	slot_width: 786, // from: 775 + 11

	init: function ()
	{
		$('.recently-viewed-props ul').jcarousel({scroll: 6});
		return;

		// var viewer = $('.recently-viewed-props');
		// this.viewer.prev = $('.slide-prev', viewer);
		// this.viewer.next = $('.slide-next', viewer);
		// this.viewer.bar = $('.props-bar', viewer);

		// this.ttl_props = this.viewer.bar.children('.a-prop').length;
		// this.ttl_pages = Math.ceil(this.ttl_props / this.props_per_slot);

		// this.viewer.prev.css('cursor', 'default');
		// if (this.isNextExists())
		// {
			// this.viewer.next.css('cursor', 'pointer');
			// this.viewer.next.addClass('vert-90-right');
			// this.viewer.next.click($.proxy(this.nextPage, this));

			// this.is_next_handler_binded = true;
		// }
	},

	isNextExists: function ()
	{
		return this.ttl_pages > this.curr_page;
	},
	isPrevExists: function ()
	{
		return this.curr_page > 1;
	},

	nextPage: function ()
	{
		var left = this.viewer.bar.css('left').split('px')[0];
		left = parseInt(left);
		left = left - this.slot_width;

		this.viewer.bar.css('left', left+'px');
		this.curr_page++;

		if (!this.isNextExists())
		{
			this.viewer.next.css('cursor', 'default');
			this.viewer.next.removeClass('vert-90-right');
			this.viewer.next.unbind('click');

			this.is_next_handler_binded = false;
		}

		if (!this.is_prev_handler_binded)
		{
			this.viewer.prev.css('cursor', 'pointer');
			this.viewer.prev.addClass('vert-90-left');
			this.viewer.prev.click($.proxy(this.prevPage, this));

			this.is_prev_handler_binded = true;
		}
	},

	prevPage: function ()
	{
		var left = this.viewer.bar.css('left').split('px')[0];
		left = parseInt(left);
		left = left + this.slot_width;

		this.viewer.bar.css('left', left+'px');
		this.curr_page--;

		if (!this.isPrevExists())
		{
			this.viewer.prev.css('cursor', 'default');
			this.viewer.prev.removeClass('vert-90-left');
			this.viewer.prev.unbind('click');

			this.is_prev_handler_binded = false;
		}

		if (!this.is_next_handler_binded)
		{
			this.viewer.next.css('cursor', 'pointer');
			this.viewer.next.addClass('vert-90-right');
			this.viewer.next.click($.proxy(this.nextPage, this));

			this.is_next_handler_binded = true;
		}
	}
}

// -----------------------------------------------------------------------------



// -- Google Maps --------------------------------------------------------------
var gmaps = { };
gmaps = {};
gmaps.addStreetViewButton = function (map, sv_loc)
{
	var div = document.createElement('DIV');

	var css = {
		'overflow': 'hidden',
		'text-align': 'center',
		'color': 'black',
		'font-size': '12px',
		'background-color': '#FFFFFF',
		'line-height': '160%',
		'padding': '0 6px',
		'border': '1px solid rgb(169, 187, 223)',
		'font-weight': 'normal',
		'min-width': '47px',
		'margin-top': '5px',
		'cursor': 'pointer'
	};
	$(div)
		.css(css)
		.attr('title', 'Show Street View');
	div.innerHTML = 'Street View';

	google.maps.event.addDomListener(div, 'click', function() {
		var sv = map.getStreetView();
		sv.setPano(sv_loc.pano);
		sv.setPov({ heading: 270, pitch: 0, zoom: 0 });
		sv.setVisible(true);
	});

	map.controls[google.maps.ControlPosition.TOP_RIGHT].push(div);
}
// -----------------------------------------------------------------------------