8yxqebj2wii.js

Teach Yourself Programming in Ten Years

_IG_AddDOMEventHandler(window,"unload",function(){_IG_TriggerEvent("unload")});_IG_AddDOMEventHandler(window,"resize",function(){_IG_TriggerEvent("resize")});function _IG_RegisterOnloadHandler(a){_IG_AddEventHandler("domload",a)}function _IG_LoadLibraryDeferred(a,b){_IG_RegisterOnloadHandler(function(){_IG_LoadScript(a,b)})}_exportSymbols("google.gadgets.Events",["addHandler",_IG_AddEventHandler,"removeHandler",_IG_RemoveEventHandler,"addOnloadHandler",_IG_RegisterOnloadHandler]);
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_IG_Layouts.rearrangeModules=function(a){if(!_IG_Layouts.isLayoutValid(a))return ig_a;var b=_IG_Layouts.getColumnsInOrder(),c=_gel("lc_opt"),d=b[_layoutData[a].visibleColumns-1];d.insertBefore(c,d.firstChild);if(_IG_Layouts.savedModulePositions!=ig_&&a==_currentLayout){for(var e=0;e<b.length;e++){var f=_IG_Layouts.savedModulePositions[e];for(var g=0;g<f.length;g++){var h=_gel(f[g]);h!=ig_&&b[e].insertBefore(h,b[e].lastChild)}}return ig_b}var i=[],j=[];for(var e=0;e<b.length;e++)j.push(b[e].firstChild);
var k=ig_a;do{k=ig_a;for(var e=0;e<j.length;e++){while(j[e]!=ig_&&j[e].id.indexOf("m_")==-1)j[e]=j[e].nextSibling;if(j[e]!=ig_&&j[e].id.indexOf("m_")!=-1){i.push(j[e].id);k=ig_b;j[e]=j[e].nextSibling}}}while(k);var l=0;for(var g=0;g<i.length;g++){b[l].insertBefore(_gel(i[g]),b[l].lastChild);do{l++;if(l>=b.length)l=0}while(b[l].style.display=="none")}return ig_b};
_IG_Layouts._saveModulePositions=function(){var a=_IG_Layouts.getColumnsInOrder();_IG_Layouts.savedModulePositions=[];for(var b=0;b<a.length;b++){_IG_Layouts.savedModulePositions[b]=[];var c=_IG_Layouts.savedModulePositions[b];for(var d=0;d<a[b].childNodes.length-1;d++){var e=a[b].childNodes[d];e.tagName=="DIV"&&e.id.indexOf("m_")!=-1&&c.push(e.id)}}};
_IG_Layouts._editTabSettingsSubmit=function(a){var b=_gel("edit_this_tab_form").edit_this_tab_selected_layout,c=-1;for(var d=0;d<b.length;d++)if(b[d].checked==ig_b)c=b[d].value;var e="",f=_gel("edit_this_tab_name").value;if(_gel("tab"+a+"_view_title").innerHTML!=f&&f!=""){e+="rt_"+a+"="+_esc(f);_gel("tab"+a+"_view_title").innerHTML=_hesc(f);_gel("tab"+a+"_title").value=_hesc(f);var g=_gel("tip_tabtitle");if(g!=ig_)g.innerHTML=_hesc(f)}if(c!=_currentLayout){e+=e==""?"":"&";e+="lt_"+a+"="+c;_currentLayout=
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_IG_Layouts.getColumnsInOrder=function(){var a=4,b=[];for(var c=1;c<=a;c++){var d=_gel("c_"+c);if(d==ig_)break;b.push(d)}return b};_IG_Layouts.isLayoutValid=function(a){if(a<0||a>_layoutData.length-1)return ig_a;return ig_b};function _IG_Prefs_PrefsData(){}_IG_Prefs_PrefsData.prototype.value=ig_;
function _IG_Prefs(a){var b=a;if(typeof remote_modules!=="object"){var c=_args().mid;b=c?c:0;_IG_Prefs._parseURL(b);_IG_Prefs.K[b]=ig_a}else{if(!b)throw new Error("Module ID is required as first argument to _IG_Prefs() for inlined modules");_IG_Prefs.K[b]=ig_b}_IG_Prefs.d[_IG_Prefs.o+b]||(_IG_Prefs.d[_IG_Prefs.o+b]={});this.d=_IG_Prefs.d[_IG_Prefs.o+b];this.la=b;this.tb=/(.*)(\<ph.*?\>\s*(\<ex\>(.*?)\<\/ex\>)?\s*%1\s*\<\/ph\>)(.*)/}
_IG_Prefs.prototype.J=function(a,b){if(b==undefined)b=ig_;var c=this.d[a];if(c==undefined)return b;var d=c.value;return d!=undefined?d:b};_IG_Prefs.prototype.I=function(a,b){return this.J(_IG_Prefs.f+a,b)};_IG_Prefs.prototype.w=function(a){var b="",c=this.I(a,b);return c!=ig_?c+"":b};_IG_Prefs.prototype.ba=function(a){var b=0,c=parseInt(this.I(a,b),10);return isNaN(c)?b:c};_IG_Prefs.prototype.$=function(a){var b=this.w(a);return b==="true"||!!parseInt(b,10)};
_IG_Prefs.prototype.Z=function(a){return _IG_Prefs._strToArray(this.I(a,""))};_IG_Prefs.prototype.sa=function(a,b){this.set(a,_IG_Prefs._arrayToStr(b))};_IG_Prefs.prototype.aa=function(){return this.w(".country")};_IG_Prefs.prototype.ca=function(){return this.w(".lang")};_IG_Prefs.prototype.da=function(a){return this.J(_IG_Prefs.wa+a,"")+""};
_IG_Prefs.prototype.set=function(){var a=Math.floor(arguments.length/2);if(a==0)return;var b=[],c=[];for(var d=0;d<a;++d){var e=arguments[d*2],f=_IG_Prefs.f+e,g=arguments[d*2+1];if(this.Qa(f,g)){b.push(f,g);c.push(e,g)}}if(b.length==0)return;_IG_Prefs.K[this.la]?_IG_Prefs._setP(this.la,c):_IFPC_SetPref(c)};_IG_Prefs.prototype.ea=function(){var a=["__module_id__="+this.la];for(var b in this.d)a.push(encodeURIComponent(b)+"="+encodeURIComponent(this.d[b].value));return a.join("&")};
_IG_Prefs.prototype.dump=function(){document.write("<pre>");for(var a in this.d)document.writeln(a+" = "+this.J(a,ig_));document.write("</pre>")};_IG_Prefs.prototype.Qa=function(a,b){var c=this.d[a];if(c&&c.value===b)return ig_a;if(c)c.value=b;else{c=new _IG_Prefs_PrefsData;c.value=b;this.d[a]=c}return ig_b};_IG_Prefs.K={};_IG_Prefs.d={};_IG_Prefs.o="m_";_IG_Prefs.f="up_";_IG_Prefs.Ra="up_";_IG_Prefs.wa="msg_";_IG_Prefs.R={};_IG_Prefs.R[_IG_Prefs.Ra]="value";
_IG_Prefs.sb=function(a,b){if(a.indexOf)return a.indexOf(b);else{for(var c=0;c<a.length;++c)if(a[c]===b)return c;return-1}};
_IG_Prefs._parseURL=function(a){_IG_Prefs.K[a]=ig_a;var b={},c=ig_j();for(var d=0;d<c.length;++d){var e=c[d].indexOf("=");if(e>=0){var f=c[d].substring(0,e);f=f.replace(/\+/g," ");var g=c[d].substring(e+1);g=g.replace(/\+/g," ");g=_unesc(g);var h=ig_a;for(var i in _IG_Prefs.R)if(f.indexOf(i)===0){h=ig_b;f=f.substring(i.length);f=_IG_Prefs.f+f;b[f]=b[f]?b[f]:new _IG_Prefs_PrefsData;if(i===_IG_Prefs.rb||i===_IG_Prefs.qb)g=g=="true";b[f][_IG_Prefs.R[i]]=g;break}if(!h)if(f.indexOf(_IG_Prefs.wa)===0)_IG_Prefs._add(a,
f,g);else if(f===".lang"||f===".country")_IG_Prefs._add(a,_IG_Prefs.f+f,g)}}if(window.IDIModule){var b=window.IDIModule.getPrefs();for(var d in b)_IG_Prefs._add(a,d,b[d])}else for(var f in b)_IG_Prefs._add(a,f,b[f].value)};_IG_Prefs._add=function(a,b,c){var d=_IG_Prefs.o+a;if(typeof _IG_Prefs.d[d]!=="object")_IG_Prefs.d[d]={};if(typeof _IG_Prefs.d[d][b]!=="object")_IG_Prefs.d[d][b]=new _IG_Prefs_PrefsData;else return;var e=_IG_Prefs.d[d][b];e.value=c};
_IG_Prefs.lb=function(a,b,c){var d=_IG_Prefs.o+a;if(typeof _IG_Prefs.d[d]!=="object")_IG_Prefs._add(a,b,c);else if(typeof _IG_Prefs.d[d][b]!=="object")_IG_Prefs.d[d][b]=new _IG_Prefs_PrefsData;var e=_IG_Prefs.d[d][b];e.value=c};_IG_Prefs._addAll=function(a,b){for(var c=0;c<b.length;++c)_IG_Prefs._add(a,b[c][0],b[c][1])};_IG_Prefs._arrayToStr=function(a){var b=a.length&&a.join;if(b){var c=[];for(var d=0;d<a.length;++d)c.push(a[d].replace(/\|/g,"%7C"));return c.join("|")}else return new String(a)};
_IG_Prefs._strToArray=function(a){var b=a.length>0?a.split("|"):[];for(var c=0;c<b.length;++c)b[c]=b[c].replace(/%7C/g,"|");return b};
_IG_Prefs._updatePrefsInUrl=function(a,b){var c=_IG_Prefs.o+a,d=_IG_Prefs.d[c];if(d==ig_)return b;var e=b.split("&");for(var f=0;f<e.length;++f)e[f].indexOf(_IG_Prefs.f)===0&&e.splice(f--,1);for(var g in d){if(g.indexOf(_IG_Prefs.f)!==0||g.indexOf(_IG_Prefs.f+".lang")===0||g.indexOf(_IG_Prefs.f+".country")===0||g.indexOf(_IG_Prefs.f+"synd")===0)continue;e.push(_esc(g)+"="+_esc(d[g].value))}return e.join("&")};
_IG_Prefs._setPrefs=function(a,b){var c=Math.floor(b.length/2);for(var d=0;d<c;++d){var e=_IG_Prefs.f+b[d*2],f=b[d*2+1];_IG_Prefs.lb(a,e,f)}};_IG_Prefs._setP=function(a,b){if(_args().synd==="open")return;var c=Math.floor(b.length/2),d=[];for(var e=0;e<c;++e){var f=_IG_Prefs.f+b[e*2],g=b[e*2+1];d.push(_IG_Prefs.o+a+"_"+f+"="+_esc(g))}if(d.length===0)return;_xsetp(d.join("&"))};
_exportClass("google.gadgets","Prefs",_IG_Prefs,["getString",_IG_Prefs.prototype.w,"getInt",_IG_Prefs.prototype.ba,"getBool",_IG_Prefs.prototype.$,"getArray",_IG_Prefs.prototype.Z,"setArray",_IG_Prefs.prototype.sa,"getLang",_IG_Prefs.prototype.ca,"getCountry",_IG_Prefs.prototype.aa,"getMsg",_IG_Prefs.prototype.da,"getPreloadedString",_IG_Prefs.prototype.ea,"set",_IG_Prefs.prototype.set,"dump",_IG_Prefs.prototype.dump]);function _IG_FR_toggle(a,b,c,d){c=c||"";d=d||"";var e=_gel("ft_"+a+"_"+b),f=_gel("fb_"+a+"_"+b),g=_gel("ftl_"+a+"_"+b);if(f.style.display=="block")ig_H(e,f,g,c);else{var h=eval("FEED"+a);if(!h.has_entries&&!h.is_fetching){h.is_fetching=ig_b;_IG_FetchFeedAsJSON(h.url,_IG_Callback(ig_Ha,a,b,c,d),h.num_items+15,ig_b)}else{for(var i=0;i<eval("FEED"+a).num_items;i++){var j=_gel("ftl_"+a+"_"+i);j&&ig_H(_gel("ft_"+a+"_"+i),_gel("fb_"+a+"_"+i),j,c)}ig_Ia(e,f,g,d);if(f.style.maxHeight&&parseInt(f.style.maxHeight,
10)<ig_Ja(g.offsetWidth,f))f.style.height=f.style.maxHeight}}}function ig_Ha(a,b,c,d,e){var f=eval("FEED"+b);f.is_fetching=ig_a;if(a&&a.Entry){for(var g=0;g<a.Entry.length;g++)if(a.Entry[g].ID!="no_id"){var h=_gel("fb_"+b+"_"+a.Entry[g].ID);if(h)h.innerHTML=a.Entry[g].Summary}eval("FEED"+b).has_entries=ig_b;_IG_FR_toggle(b,c,d,e)}}function ig_I(a){return a.className.match("reverse_directionality$")=="reverse_directionality"}
function ig_H(a,b,c,d){a.className=ig_I(a)?"fmaxbox_reverse_directionality":"fmaxbox";a.title=d;if(_old_html||_use_old_feed_styles)a.className="fbox fmaxbox";b.style.display="none";b.style.maxHeight="";c.className=ig_I(a)?"uftl_reverse_directionality":"uftl"}
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function _IG_GetContainerTotalHeight(){return document.body.scrollHeight}function _IG_GetContainerScrollTop(){return document.documentElement.scrollTop}function ig_J(a){var b=_gel("hl"),c=b?b.value:"en";return"/reader/ig/feed/"+_esc(eval("FEED"+a).url)+"?hl="+c}function ig_K(a,b){if(window._max_strategies){var c=ig_J(a)+(b?"&i="+b:"");window._max_strategies[a]._updateIframeSrc(c)}}function _IG_FR_maxModule(a,b,c){ig_K(a,b);window._IG_maximize_view(a,"feed",c)}
function _IG_FR_init(a){window._max_strategies[a]=new window._IG_inlinedTransitionStrategy(a,ig_J(a),ig_,_IG_isIE());_IG_AddModuleEventHandler(a,"unmaximize",function(){ig_K(a)})}function _IG_FR_feedInfo(a,b,c){this.ga=a;this.c=b;this.Pa=c}var _IG_FR_listOfFeeds=[];function _IG_FR_findInListOfFeeds(a){for(var b=0;b<_IG_FR_listOfFeeds.length;++b)if(_IG_FR_listOfFeeds[b].ga==a)return _IG_FR_listOfFeeds[b]}
function _IG_FR_getUnreadCountsForModule(a){var b=_IG_FR_findInListOfFeeds(a);if(!b)return;_sendx("/ig/unreadcounts?feed="+b.c,function(c){ig_L(a,c)},ig_a,ig_)}function _IG_FR_getUnreadCount(){if(_IG_FR_listOfFeeds.length==0)return;var a=[];for(var b=0;b<_IG_FR_listOfFeeds.length;++b)a.push(_IG_FR_listOfFeeds[b].c);var c=a.join("&feed=");_sendx("/ig/unreadcounts?feed="+c,function(d){ig_L(-1,d)},ig_a,ig_)}
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