(function($){$.fn.uploadProgress=function(options){options=$.extend({dataType:"json",interval:2000,progressBar:"#progressbar",progressUrl:"/progress",start:function(){},uploading:function(){},complete:function(){},success:function(){},error:function(){},preloadImages:[],uploadProgressPath:'/javascripts/jquery.uploadProgress.js',jqueryPath:'/javascripts/jquery.js',timer:""},options);$(function(){for(var i=0;i").attr("src",options.preloadImages[i]);}if($.browser.safari&&top.document==document){iframe=document.createElement('iframe');iframe.name="progressFrame";$(iframe).css({width:'0',height:'0',position:'absolute',top:'-3000px'});document.body.appendChild(iframe);var d=iframe.contentWindow.document;d.open();d.write('');d.close();var b=d.body;var s=d.createElement('script');s.src=options.jqueryPath;s.onload=function(){var s1=d.createElement('script');s1.src=options.uploadProgressPath;b.appendChild(s1);}b.appendChild(s);}});return this.each(function(){$(this).bind('submit',function(){var uuid="";for(i=0;i<32;i++){uuid+=Math.floor(Math.random()*16).toString(16);}options.uuid=uuid;options.start();if(old_id=/X-Progress-ID=([^&]+)/.exec($(this).attr("action"))){var action=$(this).attr("action").replace(old_id[1],uuid);$(this).attr("action",action);}else{$(this).attr("action",jQuery(this).attr("action")+"?X-Progress-ID="+uuid);}var uploadProgress=$.browser.safari?progressFrame.jQuery.uploadProgress:jQuery.uploadProgress;options.timer=window.setInterval(function(){uploadProgress(this,options)},options.interval);});});};jQuery.uploadProgress=function(e,options){jQuery.ajax({type:"GET",url:options.progressUrl+"?X-Progress-ID="+options.uuid,dataType:options.dataType,success:function(upload){if(upload.state=='uploading'){upload.percents=Math.floor((upload.received/upload.size)*1000)/10;var bar=$.browser.safari?$(options.progressBar,parent.document):$(options.progressBar);bar.css({width:upload.percents+'%'});options.uploading(upload);}if(upload.state=='done'||upload.state=='error'){window.clearTimeout(options.timer);options.complete(upload);}if(upload.state=='done'){options.success(upload);}if(upload.state=='error'){options.error(upload);}}});};})(jQuery);