jQuery.extend({createUploadIframe:function(id,uri){var frameId='jUploadFrame'+id;if(window.ActiveXObject){var io=document.createElement('<iframe id="'+frameId+'" name="'+frameId+'" />');if(typeof uri=='boolean'){io.src='javascript:false'}else if(typeof uri=='string'){io.src=uri}}else{var io=document.createElement('iframe');io.id=frameId;io.name=frameId}io.style.position='absolute';io.style.top='-1000px';io.style.left='-1000px';document.body.appendChild(io);return io},createUploadForm:function(id,fileElementId){var formId='jUploadForm'+id;var fileId='jUploadFile'+id;var form=$('<form  action="" method="POST" name="'+formId+'" id="'+formId+'" enctype="multipart/form-data"></form>');var oldElement=$('#'+fileElementId);var newElement=$(oldElement).clone();$(oldElement).attr('id',fileId);$(oldElement).before(newElement);$(oldElement).appendTo(form);$(form).css('position','absolute');$(form).css('top','-1200px');$(form).css('left','-1200px');$(form).appendTo('body');return form},ajaxFileUpload:function(s){s=jQuery.extend({},jQuery.ajaxSettings,s);var id=new Date().getTime(); var form=jQuery.createUploadForm(id,s.fileElementId);var io=jQuery.createUploadIframe(id,s.secureuri);var frameId='jUploadFrame'+id;var formId='jUploadForm'+id;if(s.global&&!jQuery.active++){jQuery.event.trigger("ajaxStart")}var requestDone=false;var xml={};if(s.global) jQuery.event.trigger("ajaxSend",[xml,s]);var uploadCallback=function(isTimeout){var io=document.getElementById(frameId);try{if(io.contentWindow){xml.responseText=io.contentWindow.document.body?io.contentWindow.document.body.innerHTML:null;xml.responseXML=io.contentWindow.document.XMLDocument?io.contentWindow.document.XMLDocument:io.contentWindow.document}else if(io.contentDocument){xml.responseText=io.contentDocument.document.body?io.contentDocument.document.body.innerHTML:null;xml.responseXML=io.contentDocument.document.XMLDocument?io.contentDocument.document.XMLDocument:io.contentDocument.document}}catch(e){jQuery.handleError(s,xml,null,e)}if(xml||isTimeout=="timeout"){requestDone=true;var status;try{status=isTimeout!="timeout"?"success":"error";if(status!="error"){var data=jQuery.uploadHttpData(xml,s.dataType);if(s.success) s.success(data,status);if(s.global) jQuery.event.trigger("ajaxSuccess",[xml,s])}else jQuery.handleError(s,xml,status)}catch(e){status="error";jQuery.handleError(s,xml,status,e)}if(s.global) jQuery.event.trigger("ajaxComplete",[xml,s]);if(s.global&&!--jQuery.active) jQuery.event.trigger("ajaxStop");if(s.complete) s.complete(xml,status);jQuery(io).unbind(); setTimeout(function(){try{$(io).remove();$(form).remove()}catch(e){jQuery.handleError(s,xml,null,e)}},100);  xml=null};} 
if(s.timeout>0){setTimeout(function(){if(!requestDone)uploadCallback("timeout")},s.timeout);}try{var form=$('#'+formId);$(form).attr('action',s.url);$(form).attr('method','POST');$(form).attr('target',frameId);if(form.encoding){form.encoding='multipart/form-data'}else{form.enctype='multipart/form-data'}$(form).submit()}catch(e){jQuery.handleError(s,xml,null,e)}if(window.attachEvent){document.getElementById(frameId).attachEvent('onload',uploadCallback)}else{document.getElementById(frameId).addEventListener('load',uploadCallback,false)}return{abort:function(){}}},uploadHttpData:function(r,type){var data=!type;data=type=="xml"||data?r.responseXML:r.responseText;if(type=="script") jQuery.globalEval(data);if(type=="json") eval("data = "+data);if(type=="html") jQuery("<div>").html(data).evalScripts();return data}})