$(document).ready(function()
		{
			$.fn.extend(
			{
				optionDisable:function()
				{
					var ths = $(this);
					if(ths.attr('tagName').toLowerCase() == 'option')
					{
						ths.before($(' ').css({color:'#ccc',height:ths.height()}).attr({id:ths.attr('value'),label:ths.text()})).remove();
					}
					return ths;
				},
				optionEnable:function()
				{
					var ths = $(this);
					var tag = ths.attr('tagName').toLowerCase();
					if(tag == 'option')
					{
						ths.removeAttr('disabled');
					}
					else if(tag == 'optgroup')
					{
						ths.before($('').attr({value:ths.attr('id')}).text(ths.attr('label'))).remove();
					}
					return ths;
				}
			});
		});