$(document).ready(function()
{
	$('.button').css('visibility','visible');
	$('.button').fadeTo(1,0.01);
	$('.button').hover(function(e){
		var but = $(this);
		if (but.attr('lock')!='true')
		{
			but.stop().fadeTo(500,1);
			but.attr('lock','true');
		}
	},function(e){
		var but = $(this);
		but.fadeTo(300,0.01,function(){but.attr('lock','false');});
	});
	setTimeout(function()
	{
		if ($('#left_sidebar').height()<$('#main_body_content').height())
		{
			$('#left_sidebar').css('height',($('#main_body_content').height()+'px'));	
		}
	},500);
});