//jOverlay( overlayContent, [title, callback] )
(function($) {

	$.popups = {

		verticalOffset: -75,
		horizontalOffset: 0,
		repositionOnResize: true,
		overlayOpacity: .7,
		overlayColor: '#000',
		flashBgColor: '#000',
		draggable: false,
		closeButton: '/common/images/btnClose.png',
		dialogClass: null,

		// Public methods
		popup: function(overlayContent, cWidth, cHeight, viewCloseBtn, title, callback) {
			if (title == null) title = '';
			if (cWidth == null) cWidth = 400;
			if (cHeight == null) cHeight = 300;
			if (viewCloseBtn == null)
				viewCloseBtn = true;
			$.popups._show(title, cWidth, cHeight, overlayContent, viewCloseBtn, null, function(result) {
				if (callback) callback(result);
			});
		},

		// Private methods
		_show: function(title, cWidth, cHeight, cnt, viewCloseBtn, value, callback) {
			$.popups._hide();
			$.popups._overlay('show');

			$("BODY").append(
			  '<div id="popup_container" style="width:' + cWidth + 'px;height:' + cHeight + 'px">' +
			    '<h4 id="popup_title"></h4>' +
			    '<div id="popup_content">' +
			      '<div id="overlay_content"></div>' +
				'</div>' +
			  '</div>');

			if ($.popups.dialogClass) $("#popup_container").addClass($.popups.dialogClass);

			// IE6 Fix
			var pos = ($.browser.msie && parseInt($.browser.version) <= 6) ? 'absolute' : 'fixed';

			$("#popup_container").css({
				position: pos,
				zIndex: 99999,
				padding: 0,
				margin: 0
			});

			if (title == null || title == "")
				$("#popup_title").remove();
			else
				$("#popup_title").text(title);

			$("#overlay_content").text(cnt);
			$("#overlay_content").html($("#overlay_content").text());

			$("#popup_container").css({
				minWidth: $("#popup_container").outerWidth(),
				maxWidth: $("#popup_container").outerWidth()
			});

			$.popups._reposition();
			$.popups._maintainPosition(true);

			if (!viewCloseBtn) {
				$.popups.closeButton = "/common/images/pixel.gif";
			}
			$("#popup_content").prepend('<input type="image" src="' + $.popups.closeButton + '" value="close" id="btn_close" />');
			$("#btn_close").click(function() {
				$.popups._hide();
				callback(true);
			});

			//$("#btn_close").focus().keypress(function(e) {
			//	if (e.keyCode == 13 || e.keyCode == 27) $("#btn_close").trigger('click');
			//});

			// Make draggable
			//if ($.popups.draggable) {
			//	try {
			//		$("#popup_container").draggable({ handle: $("#popup_title") });
			//		$("#popup_title").css({ cursor: 'move' });
			//	} catch (e) { /* requires jQuery UI draggables */ }
			//}
		},

		_hide: function() {
			$.popups._overlay('hide');
			$.popups._maintainPosition(false);
			//$("#popup_container").remove();
		},

		_overlay: function(status) {
			switch (status) {
				case 'show':
					$.popups._overlay('hide');
					$("BODY").append('<div id="popup_overlay"></div>');
					$("#popup_overlay").css({
						position: 'absolute',
						zIndex: 99998,
						top: '0px',
						left: '0px',
						width: '100%',
						height: $(document).height(),
						background: $.popups.overlayColor,
						opacity: $.popups.overlayOpacity
					});
					break;
				case 'hide':
					$("#overlay_content").html(" ");
					$("#overlay_content").remove();
					$("#popup_content").html(" ");
					$("#popup_content").remove();
					$("#popup_title").html(" ");
					$("#popup_title").remove();
					$("#popup_container").html(" ");
					$("#popup_container").remove();
					$("#popup_overlay").remove();
					break;
			}
		},

		_reposition: function() {
			var top = (($(window).height() / 2) - ($("#popup_container").outerHeight() / 2)) + $.popups.verticalOffset;
			var left = (($(window).width() / 2) - ($("#popup_container").outerWidth() / 2)) + $.popups.horizontalOffset;
			if (top < 0) top = 0;
			if (left < 0) left = 0;

			// IE6 fix
			if ($.browser.msie && parseInt($.browser.version) <= 6) top = top + $(window).scrollTop();

			$("#popup_container").css({
				top: top + 'px',
				left: left + 'px'
			});
			$("#popup_overlay").height($(document).height());
		},

		_maintainPosition: function(status) {
			if ($.popups.repositionOnResize) {
				switch (status) {
					case true:
						$(window).bind('resize', $.popups._reposition);
						break;
					case false:
						$(window).unbind('resize', $.popups._reposition);
						break;
				}
			}
		}
	}

	// Shortuct functions
	jOverlay = function(overlayContent, cWidth, cHeight, viewCloseBtn, title, callback) {
		$.popups.popup(overlayContent, cWidth, cHeight, viewCloseBtn, title, callback);
	}

})(jQuery);