Rails spinoffs - May 2006 - Ajax.Updater problem in IE

Hello All, 

Anybody can give me an advice why following code works
in Firefox + Safari but not in IE?

function load_mails(div_id){
        $(div_id).toggle();	//hide or show
	var pars = ''id='' + div_id;
				
	var myAjax = new Ajax.Updater(
				div_id, 
				''../library/partials/load_messages.aspx'', 
				{
					method: ''get'', 
					parameters: pars
				});
	return false;
}

Thanks in advance
Gokhan

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