setTimeout(),setInterval() กับ ie เจ้าปัญหา ใครเคยเจอปัญหาใช้ setTimeout() หรือ setInterval()

<script type="text/javascript" src="jquery-1.3.2.min.js"></script>
<script type="text/javascript">
$(function() {
	var name = '<?=$name?>';
	window.opener.windowsname.push(window.name);
	window.opener.opened.push(window);
	
	$(window).unload(function() {
		var index =0;
		for(var i=0; i<window.opener.windowsname; i++){
			if( window.name == window.opener.windowsname ){
				index = i;
				break;
			}
		}
		window.opener.windowsname.splice(index, 1);
		window.opener.opened.splice(index, 1);
	});
	
	$('select').change(function(){
		$(this).css('background', $('option:selected', $(this)).attr('color'));
		$('#chattextbox').focus();
	}).change();
	
	$('#endchat').click(function(){
		$('<div>Ending Chat</div>').appendTo('#display').load('chatting.php?roomid=<?=$roomid?>&endchat=true');
	});
	
	var interval_id;
	
	interval_id = window.setInterval(function() {
		$.get('chatting.php?roomid=<?=$roomid?>&gettext=true', function(data, textStatus) {
			if(data != ''){
				var newdata = $(data).hide().appendTo('#display').show('fast', function(){
					$(this).find(':last')[0].scrollIntoView(false);
				});
			}
		});
	}, <?=$config['5s']?>);
	
	function chatting(){
		var chattext = $('#chattextbox').val();
		var color = $('select#color').val();
		var boldtype = $('#bold').is(':checked') ? 'Y' : 'N';
		var italic = $('#italic').is(':checked') ? 'Y' : 'N';
		var underline = $('#underline').is(':checked') ? 'Y' : 'N';
		
		var params = {
			roomid : '<?=$roomid?>',
			chattext : chattext,
			color : color,
			boldtype : boldtype,
			italic : italic,
			underline : underline
		}
		
		if( chattext != '' ){
			$.post('chatting.php', params);
			
			var usertext = $('<div><span class="myname">you:</span>'+chattext+'</div>');
			if(boldtype == 'Y') usertext.addClass('bold');
			if(italic == 'Y') usertext.addClass('italic');
			if(underline == 'Y') usertext.addClass('underline');
			var usertextcolor = $('select option:selected').attr('color');
			usertext.css('color', usertextcolor).hide();
			usertext.appendTo('#display').show('fast', function(){
				$(this).find(':last')[0].scrollIntoView(false);
			});
		}
		
		$('#chattextbox').val('').focus();
	}
	
	$('#chattextbox').keydown(function(evt) {
		if(evt.keyCode == 13)
			chatting();
	});
	
	$('#chatbutton').click(function(evt) {
		chatting();
	});
	
});//ready
</script>