rl-theme/library/js/header.js

/*
Bones Header Scripts File
Author: Eddie Machado

This file contains key scripts like 
Modernizr, imgsizer, lazy load, and 
other scripts. They are minified and
updated as often as I find an update.
I do this so that there's only one script
call in the header as opposed to 3 or 4.
WIN!

*/

/* Modernizr v1.6 */
window.Modernizr=function(i,e,u){function s(a,b){return(""+a).indexOf(b)!==-1}function D(a,b){for(var c in a)if(j[a[c]]!==u&&(!b||b(a[c],E)))return true}function n(a,b){var c=a.charAt(0).toUpperCase()+a.substr(1);c=(a+" "+F.join(c+" ")+c).split(" ");return!!D(c,b)}function S(){f.input=function(a){for(var b=0,c=a.length;b<c;b++)L[a[b]]=!!(a[b]in h);return L}("autocomplete autofocus list placeholder max min multiple pattern required step".split(" "));f.inputtypes=function(a){for(var b=0,c,k=a.length;b<
k;b++){h.setAttribute("type",a[b]);if(c=h.type!=="text"){h.value=M;if(/^range$/.test(h.type)&&h.style.WebkitAppearance!==u){l.appendChild(h);c=e.defaultView;c=c.getComputedStyle&&c.getComputedStyle(h,null).WebkitAppearance!=="textfield"&&h.offsetHeight!==0;l.removeChild(h)}else/^(search|tel)$/.test(h.type)||(c=/^(url|email)$/.test(h.type)?h.checkValidity&&h.checkValidity()===false:h.value!=M)}N[a[b]]=!!c}return N}("search tel url email datetime date month week time datetime-local number range color".split(" "))}
var f={},l=e.documentElement,E=e.createElement("modernizr"),j=E.style,h=e.createElement("input"),M=":)",O=Object.prototype.toString,q=" -webkit- -moz- -o- -ms- -khtml- ".split(" "),F="Webkit Moz O ms Khtml".split(" "),v={svg:"http://www.w3.org/2000/svg"},d={},N={},L={},P=[],w,Q=function(a){var b=document.createElement("style"),c=e.createElement("div");b.textContent=a+"{#modernizr{height:3px}}";(e.head||e.getElementsByTagName("head")[0]).appendChild(b);c.id="modernizr";l.appendChild(c);a=c.offsetHeight===
3;b.parentNode.removeChild(b);c.parentNode.removeChild(c);return!!a},o=function(){var a={select:"input",change:"input",submit:"form",reset:"form",error:"img",load:"img",abort:"img"};return function(b,c){c=c||document.createElement(a[b]||"div");b="on"+b;var k=b in c;if(!k){c.setAttribute||(c=document.createElement("div"));if(c.setAttribute&&c.removeAttribute){c.setAttribute(b,"");k=typeof c[b]=="function";if(typeof c[b]!="undefined")c[b]=u;c.removeAttribute(b)}}return k}}(),G={}.hasOwnProperty,R;R=
typeof G!=="undefined"&&typeof G.call!=="undefined"?function(a,b){return G.call(a,b)}:function(a,b){return b in a&&typeof a.constructor.prototype[b]==="undefined"};d.flexbox=function(){var a=e.createElement("div"),b=e.createElement("div");(function(k,g,r,x){g+=":";k.style.cssText=(g+q.join(r+";"+g)).slice(0,-g.length)+(x||"")})(a,"display","box","width:42px;padding:0;");b.style.cssText=q.join("box-flex:1;")+"width:10px;";a.appendChild(b);l.appendChild(a);var c=b.offsetWidth===42;a.removeChild(b);
l.removeChild(a);return c};d.canvas=function(){var a=e.createElement("canvas");return!!(a.getContext&&a.getContext("2d"))};d.canvastext=function(){return!!(f.canvas&&typeof e.createElement("canvas").getContext("2d").fillText=="function")};d.webgl=function(){var a=e.createElement("canvas");try{if(a.getContext("webgl"))return true}catch(b){}try{if(a.getContext("experimental-webgl"))return true}catch(c){}return false};d.touch=function(){return"ontouchstart"in i||Q("@media ("+q.join("touch-enabled),(")+
"modernizr)")};d.geolocation=function(){return!!navigator.geolocation};d.postmessage=function(){return!!i.postMessage};d.websqldatabase=function(){return!!i.openDatabase};d.indexedDB=function(){for(var a=-1,b=F.length;++a<b;){var c=F[a].toLowerCase();if(i[c+"_indexedDB"]||i[c+"IndexedDB"])return true}return false};d.hashchange=function(){return o("hashchange",i)&&(document.documentMode===u||document.documentMode>7)};d.history=function(){return!!(i.history&&history.pushState)};d.draganddrop=function(){return o("drag")&&
o("dragstart")&&o("dragenter")&&o("dragover")&&o("dragleave")&&o("dragend")&&o("drop")};d.websockets=function(){return"WebSocket"in i};d.rgba=function(){j.cssText="background-color:rgba(150,255,150,.5)";return s(j.backgroundColor,"rgba")};d.hsla=function(){j.cssText="background-color:hsla(120,40%,100%,.5)";return s(j.backgroundColor,"rgba")||s(j.backgroundColor,"hsla")};d.multiplebgs=function(){j.cssText="background:url(//:),url(//:),red url(//:)";return/(url\s*\(.*?){3}/.test(j.background)};d.backgroundsize=
function(){return n("backgroundSize")};d.borderimage=function(){return n("borderImage")};d.borderradius=function(){return n("borderRadius","",function(a){return s(a,"orderRadius")})};d.boxshadow=function(){return n("boxShadow")};d.textshadow=function(){return e.createElement("div").style.textShadow===""};d.opacity=function(){var a=q.join("opacity:.5;")+"";j.cssText=a;return s(j.opacity,"0.5")};d.cssanimations=function(){return n("animationName")};d.csscolumns=function(){return n("columnCount")};d.cssgradients=
function(){var a=("background-image:"+q.join("gradient(linear,left top,right bottom,from(#9f9),to(white));background-image:")+q.join("linear-gradient(left top,#9f9, white);background-image:")).slice(0,-17);j.cssText=a;return s(j.backgroundImage,"gradient")};d.cssreflections=function(){return n("boxReflect")};d.csstransforms=function(){return!!D(["transformProperty","WebkitTransform","MozTransform","OTransform","msTransform"])};d.csstransforms3d=function(){var a=!!D(["perspectiveProperty","WebkitPerspective",
"MozPerspective","OPerspective","msPerspective"]);if(a)a=Q("@media ("+q.join("transform-3d),(")+"modernizr)");return a};d.csstransitions=function(){return n("transitionProperty")};d.fontface=function(){var a,b=e.head||e.getElementsByTagName("head")[0]||l,c=e.createElement("style"),k=e.implementation||{hasFeature:function(){return false}};c.type="text/css";b.insertBefore(c,b.firstChild);a=c.sheet||c.styleSheet;b=k.hasFeature("CSS2","")?function(g){if(!(a&&g))return false;var r=false;try{a.insertRule(g,
0);r=!/unknown/i.test(a.cssRules[0].cssText);a.deleteRule(a.cssRules.length-1)}catch(x){}return r}:function(g){if(!(a&&g))return false;a.cssText=g;return a.cssText.length!==0&&!/unknown/i.test(a.cssText)&&a.cssText.replace(/\r+|\n+/g,"").indexOf(g.split(" ")[0])===0};f._fontfaceready=function(g){g(f.fontface)};return b('@font-face { font-family: "font"; src: "font.ttf"; }')};d.video=function(){var a=e.createElement("video"),b=!!a.canPlayType;if(b){b=new Boolean(b);b.ogg=a.canPlayType('video/ogg; codecs="theora"');
b.h264=a.canPlayType('video/mp4; codecs="avc1.42E01E"')||a.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"');b.webm=a.canPlayType('video/webm; codecs="vp8, vorbis"')}return b};d.audio=function(){var a=e.createElement("audio"),b=!!a.canPlayType;if(b){b=new Boolean(b);b.ogg=a.canPlayType('audio/ogg; codecs="vorbis"');b.mp3=a.canPlayType("audio/mpeg;");b.wav=a.canPlayType('audio/wav; codecs="1"');b.m4a=a.canPlayType("audio/x-m4a;")||a.canPlayType("audio/aac;")}return b};d.localstorage=function(){try{return"localStorage"in
i&&i.localStorage!==null}catch(a){return false}};d.sessionstorage=function(){try{return"sessionStorage"in i&&i.sessionStorage!==null}catch(a){return false}};d.webWorkers=function(){return!!i.Worker};d.applicationcache=function(){return!!i.applicationCache};d.svg=function(){return!!e.createElementNS&&!!e.createElementNS(v.svg,"svg").createSVGRect};d.inlinesvg=function(){var a=document.createElement("div");a.innerHTML="<svg/>";return(a.firstChild&&a.firstChild.namespaceURI)==v.svg};d.smil=function(){return!!e.createElementNS&&
/SVG/.test(O.call(e.createElementNS(v.svg,"animate")))};d.svgclippaths=function(){return!!e.createElementNS&&/SVG/.test(O.call(e.createElementNS(v.svg,"clipPath")))};for(var H in d)if(R(d,H)){w=H.toLowerCase();f[w]=d[H]();P.push((f[w]?"":"no-")+w)}f.input||S();f.crosswindowmessaging=f.postmessage;f.historymanagement=f.history;f.addTest=function(a,b){a=a.toLowerCase();if(!f[a]){b=!!b();l.className+=" "+(b?"":"no-")+a;f[a]=b;return f}};j.cssText="";E=h=null;i.attachEvent&&function(){var a=e.createElement("div");
a.innerHTML="<elem></elem>";return a.childNodes.length!==1}()&&function(a,b){function c(p){for(var m=-1;++m<r;)p.createElement(g[m])}function k(p,m){for(var I=p.length,t=-1,y,J=[];++t<I;){y=p[t];m=y.media||m;J.push(k(y.imports,m));J.push(y.cssText)}return J.join("")}var g="abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video".split("|"),r=g.length,x=RegExp("<(/*)(abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video)",
"gi"),T=RegExp("\\b(abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video)\\b(?!.*[;}])","gi"),z=b.createDocumentFragment(),A=b.documentElement,K=A.firstChild,B=b.createElement("style"),C=b.createElement("body");B.media="all";c(b);c(z);a.attachEvent("onbeforeprint",function(){for(var p=-1;++p<r;)for(var m=b.getElementsByTagName(g[p]),I=m.length,t=-1;++t<I;)if(m[t].className.indexOf("iepp_")<0)m[t].className+=" iepp_"+
g[p];K.insertBefore(B,K.firstChild);B.styleSheet.cssText=k(b.styleSheets,"all").replace(T,".iepp_$1");z.appendChild(b.body);A.appendChild(C);C.innerHTML=z.firstChild.innerHTML.replace(x,"<$1bdo")});a.attachEvent("onafterprint",function(){C.innerHTML="";A.removeChild(C);K.removeChild(B);A.appendChild(z.firstChild)})}(this,document);f._enableHTML5=true;f._version="1.6";l.className=l.className.replace(/\bno-js\b/,"")+" js";l.className+=" "+P.join(" ");return f}(this,this.document);


/* lazy load (jquery delayed image loader plugin) */
(function($){$.fn.lazyload=function(options){var settings={threshold:0,failurelimit:0,event:"scroll",effect:"show",container:window};if(options){$.extend(settings,options);}
var elements=this;if("scroll"==settings.event){$(settings.container).bind("scroll",function(event){var counter=0;elements.each(function(){if($.abovethetop(this,settings)||$.leftofbegin(this,settings)){}else if(!$.belowthefold(this,settings)&&!$.rightoffold(this,settings)){$(this).trigger("appear");}else{if(counter++>settings.failurelimit){return false;}}});var temp=$.grep(elements,function(element){return!element.loaded;});elements=$(temp);});}
this.each(function(){var self=this;if(undefined==$(self).attr("original")){$(self).attr("original",$(self).attr("src"));}
if("scroll"!=settings.event||undefined==$(self).attr("src")||settings.placeholder==$(self).attr("src")||($.abovethetop(self,settings)||$.leftofbegin(self,settings)||$.belowthefold(self,settings)||$.rightoffold(self,settings))){if(settings.placeholder){$(self).attr("src",settings.placeholder);}else{$(self).removeAttr("src");}
self.loaded=false;}else{self.loaded=true;}
$(self).one("appear",function(){if(!this.loaded){$("<img />").bind("load",function(){$(self).hide().attr("src",$(self).attr("original"))
[settings.effect](settings.effectspeed);self.loaded=true;}).attr("src",$(self).attr("original"));};});if("scroll"!=settings.event){$(self).bind(settings.event,function(event){if(!self.loaded){$(self).trigger("appear");}});}});$(settings.container).trigger(settings.event);return this;};$.belowthefold=function(element,settings){if(settings.container===undefined||settings.container===window){var fold=$(window).height()+$(window).scrollTop();}else{var fold=$(settings.container).offset().top+$(settings.container).height();}
return fold<=$(element).offset().top-settings.threshold;};$.rightoffold=function(element,settings){if(settings.container===undefined||settings.container===window){var fold=$(window).width()+$(window).scrollLeft();}else{var fold=$(settings.container).offset().left+$(settings.container).width();}
return fold<=$(element).offset().left-settings.threshold;};$.abovethetop=function(element,settings){if(settings.container===undefined||settings.container===window){var fold=$(window).scrollTop();}else{var fold=$(settings.container).offset().top;}
return fold>=$(element).offset().top+settings.threshold+$(element).height();};$.leftofbegin=function(element,settings){if(settings.container===undefined||settings.container===window){var fold=$(window).scrollLeft();}else{var fold=$(settings.container).offset().left;}
return fold>=$(element).offset().left+settings.threshold+$(element).width();};$.extend($.expr[':'],{"below-the-fold":"$.belowthefold(a, {threshold : 0, container: window})","above-the-fold":"!$.belowthefold(a, {threshold : 0, container: window})","right-of-fold":"$.rightoffold(a, {threshold : 0, container: window})","left-of-fold":"!$.rightoffold(a, {threshold : 0, container: window})"});})(jQuery);

/* lazy load function ( feel free to change if you like) url - http://www.appelsiini.net/projects/lazyload */
jQuery(document).ready(function() {     
	jQuery('img').lazyload({
		effect      : "fadeIn"
	});
});

/* imgsizer (flexible images for fluid sites) */
var imgSizer={Config:{imgCache:[],spacer:"/path/to/your/spacer.gif"},collate:function(aScope){var isOldIE=(document.all&&!window.opera&&!window.XDomainRequest)?1:0;if(isOldIE&&document.getElementsByTagName){var c=imgSizer;var imgCache=c.Config.imgCache;var images=(aScope&&aScope.length)?aScope:document.getElementsByTagName("img");for(var i=0;i<images.length;i++){images[i].origWidth=images[i].offsetWidth;images[i].origHeight=images[i].offsetHeight;imgCache.push(images[i]);c.ieAlpha(images[i]);images[i].style.width="100%";}
if(imgCache.length){c.resize(function(){for(var i=0;i<imgCache.length;i++){var ratio=(imgCache[i].offsetWidth/imgCache[i].origWidth);imgCache[i].style.height=(imgCache[i].origHeight*ratio)+"px";}});}}},ieAlpha:function(img){var c=imgSizer;if(img.oldSrc){img.src=img.oldSrc;}
var src=img.src;img.style.width=img.offsetWidth+"px";img.style.height=img.offsetHeight+"px";img.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"', sizingMethod='scale')"
img.oldSrc=src;img.src=c.Config.spacer;},resize:function(func){var oldonresize=window.onresize;if(typeof window.onresize!='function'){window.onresize=func;}else{window.onresize=function(){if(oldonresize){oldonresize();}
func();}}}}