function Sign_Dialog()
{
	$.post(site_root+"/index.php?pluginid=signin",{},
	function(data){
		$('#dialog').html(data);
	});
	
	$('#blurdiv').show();
	$('#blurdiv').height($(document).height());
	$('#dialog').dialog('open');
	$('#dialog').dialog({
		title:'´ò¿¨Ç©µ½',
		buttons: {},
		close:function(){$('#blurdiv').hide();$('#dialog').html('');}
	});
}