/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 3.0.0
build: 1549
*/
YUI.add("io-upload-iframe",function(B){var I=B.config.win;function D(P,O){var Q=[],L=O.split("="),N,M;for(N=0,M=L.length-1;N<M;N++){Q[N]=document.createElement("input");Q[N].type="hidden";Q[N].name=L[N].substring(L[N].lastIndexOf("&")+1);Q[N].value=(N+1===M)?L[N+1]:L[N+1].substring(0,(L[N+1].lastIndexOf("&")));P.appendChild(Q[N]);}return Q;}function F(N,O){var M,L;for(M=0,L=O.length;M<L;M++){N.removeChild(O[M]);}}function E(N,O,M){var L=(document.documentMode&&document.documentMode===8)?true:false;N.setAttribute("action",M);N.setAttribute("method","POST");N.setAttribute("target","ioupload"+O);N.setAttribute(B.UA.ie&&!L?"encoding":"enctype","multipart/form-data");}function K(M,L){var N;for(N in L){if(L.hasOwnProperty(L,N)){if(L[N]){M.setAttribute(N,M[N]);}else{M.removeAttribute(N);}}}}function J(M,N){var L=B.Node.create('<iframe id="ioupload'+M.id+'" name="ioupload'+M.id+'" />');L._node.style.position="absolute";L._node.style.top="-1000px";L._node.style.left="-1000px";B.one("body").appendChild(L);B.on("load",function(){A(M,N);},"#ioupload"+M.id);}function A(P,Q){var O=B.one("#ioupload"+P.id).get("contentWindow.document"),L=O.one("body"),M=(O._node.nodeType===9),N;if(Q.timeout){H(P.id);}if(L){N=L.query("pre:first-child");P.c.responseText=N?N.get("innerHTML"):L.get("innerHTML");}else{if(M){P.c.responseXML=O._node;}}B.io.complete(P,Q);B.io.end(P,Q);I.setTimeout(function(){G(P.id);},0);}function C(L,M){B.io._timeout[L.id]=I.setTimeout(function(){var N={id:L.id,status:"timeout"};B.io.complete(N,M);B.io.end(N,M);},M.timeout);}function H(L){I.clearTimeout(B.io._timeout[L]);delete B.io._timeout[L];}function G(L){B.Event.purgeElement("#ioupload"+L,false);B.one("body").removeChild(B.one("#ioupload"+L));}B.mix(B.io,{_upload:function(P,N,Q){var O=(typeof Q.form.id==="string")?B.config.doc.getElementById(Q.form.id):Q.form.id,M,L={action:O.getAttribute("action"),target:O.getAttribute("target")};J(P,Q);E(O,P.id,N);if(Q.data){M=D(O,Q.data);}if(Q.timeout){C(P,Q);}O.submit();B.io.start(P.id,Q);if(Q.data){F(O,M);}K(O,L);return{id:P.id,abort:function(){var R={id:P.id,status:"abort"};if(B.one("#ioupload"+P.id)){G(P.id);B.io.complete(R,Q);B.io.end(R,Q);}else{return false;}},isInProgress:function(){return B.one("#ioupload"+P.id)?true:false;}};}});},"3.0.0",{requires:["io-base","node-base","event-base"]});