www.pudn.com > Proximity-sample.zip > offline.js, change:2012-06-01,size:1670b


´╗┐var Galleries = Galleries || { }; 
 
(function() { 
 
    function findElem(parent, tagName, className) { 
        var elemToSearch = (parent) ?  parent : document.body; 
        var tagMatch = elemToSearch.getElementsByTagName(tagName); 
        var evaluator = function(elem) { 
            return (className) ? (elem.className.indexOf(className) > -1) : true; 
        }; 
 
        return findArrayElem(tagMatch, evaluator); 
    } 
 
    function findArrayElem(array, evaluator) { 
        var newArray = new Array(); 
        for (var count = 0; count < array.length; count++) { 
            if (evaluator(array[count])) { 
                newArray.push(array[count]); 
            } 
        } 
        return newArray; 
    } 
 
    function iterateElem(elems, delegate) { 
        for(var count = 0; count < elems.length; count++) { 
            delegate(count, elems[count]); 
        } 
    } 
 
    function isHidden(elem) { 
        return (elem.offsetHeight === 0 && elem.offsetWidth === 0) || elem.style && elem.style.display === "none"; 
    } 
     
    function onWindowLoad(callback) { 
        attachEventHandler(null, 'load', callback); 
    } 
  
    function attachEventHandler(elem, event, callback) { 
        var elemToAttach = (elem) ? elem : window; 
        if (document.addEventListener) {
			elemToAttach.addEventListener(event, callback, false);
		} else if ( document.attachEvent ) {
			elemToAttach.attachEvent('on' + event, callback);
		} 
    } 
 
    Galleries.findElem = findElem; 
    Galleries.iterateElem = iterateElem; 
    Galleries.attachEventHandler = attachEventHandler; 
    Galleries.onWindowLoad = onWindowLoad; 
})();