Rails spinoffs - Sep 2007 - Ajax.Request wows with Safari

Hi,

I''m currently experinceing a major problem getting a fundimental part
of my app working in safari.
I''m building an PHP upload progress bar using prototype similar to the
one built in jQuery.

But it works in every browser apart from safari.

The code below seems to work right through to the point of the
Ajax.Request the periodical call works fine...

<script type="text/javascript">
//<![CDATA[


			$(''submit'').onclick = function()
			{
				$(''progressbar'').show();
				var period = new PeriodicalExecuter(function() {
					var request = new Ajax.Request("/front_dev.php/projectItem/upload/
progress_key/46dfffc516826.html", {
  						onSuccess: function(transport, json) {
							var width = Math.round(json.current/json.total*100);
							$(''bar'').setStyle({"width":
width+"%"});
    						$(''bar-text'').innerHTML = width+"%";
  						},
						onException: function(xhr, ex) {
    						alert(ex.description);
						},
						onFailure: function() {
    						alert(''request failed'');
						}})
				}, 0.1);
			}

//]]>
</script>

any help would be much appreciated.

Regards
Ali


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