function ChangeCategory (cat)
{
	$("div,span,td,tr").each (function (i, o)
	{
		if (o.className.length > 0)
		{
			var data = $(o).metadata ();
			if (data.show != undefined)
			{
				if (IsInArray (cat, data.show))
				{
					var obj = $("input, select, textarea", o);
					obj.enable ();
					$(o).show ();
				}
				else
				{
					var obj = $("input, select, textarea", o);
					obj.disable ();
					$(o).hide ();
				}
			}
		}
	});
}
function IsInArray (value, array)
{
	for (var i = 0; i < array.length; ++i)
		if (value == array[i])
			return true
	return false;
}

jQuery.fn.extend (
	{ enable: function () { return this.each (function () { this.disabled = false; } ); } ,
	 disable: function () { return this.each (function () { this.disabled = true; } ); } }
	);

function DateStrFromDate (date)
{
	return date.getFullYear () + "-" + AddZero (date.getMonth () + 1) + "-" + AddZero (date.getDate ());
}
function AddZero (str)
{
	str = str.toString ();
	if (str.length == 1) return "0" + str;
	return str;
}
$(function ()
{
	$(".item_image").tooltip ({
		showURL: false,
		track: true,
    bodyHandler: function ()
		{
			return $("<div/>").html ($(this).attr ("desc"));
    } 
	});
	$(".tooltip").tooltip ();
});