Initialer Commit in GIT

public/js/helper.js

@@ -0,0 +1,114 @@
+if (typeof Object.create !== 'function') {
+  Object.create = function (o) {
+    function F() {}
+    F.prototype = o;
+    return new F();
+  };
+}
+
+function $tryCatch() {
+    for (var i = 0, l = arguments.length; i < l; i++){
+        try {
+            return arguments[i]();
+        } catch(e){}
+    }
+    return null;
+};
+
+var Browser = {
+
+    Engine: {name: 'unknown', version: 0},
+
+    Platform: {name: (window.orientation != undefined) ? 'ipod' : (navigator.platform.match(/mac|win|linux/i) || ['other'])[0].toLowerCase()},
+
+    Features: {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)},
+
+    Plugins: {},
+
+    Engines: {
+
+        presto: function(){
+            return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925));
+        },
+
+        trident: function(){
+            return (!window.ActiveXObject) ? false : ((window.XMLHttpRequest) ? ((document.querySelectorAll) ? 6 : 5) : 4);
+        },
+
+        webkit: function(){
+            return (navigator.taintEnabled) ? false : ((Browser.Features.xpath) ? ((Browser.Features.query) ? 525 : 420) : 419);
+        },
+
+        gecko: function(){
+            return (!document.getBoxObjectFor && window.mozInnerScreenX == null) ? false : ((document.getElementsByClassName) ? 19 : 18);
+        }
+
+    }
+
+};
+
+Browser.Platform[Browser.Platform.name] = true;
+
+Browser.detect = function(){
+
+    for (var engine in this.Engines){
+        var version = this.Engines[engine]();
+        if (version){
+            this.Engine = {name: engine, version: version};
+            this.Engine[engine] = this.Engine[engine + version] = true;
+            break;
+        }
+    }
+
+    return {name: engine, version: version};
+
+};
+
+Browser.detect();
+
+Browser.Request = function(){
+    return $tryCatch(function(){
+        return new XMLHttpRequest();
+    }, function(){
+        return new ActiveXObject('MSXML2.XMLHTTP');
+    }, function(){
+        return new ActiveXObject('Microsoft.XMLHTTP');
+    });
+};
+
+Browser.Features.xhr = !!(Browser.Request());
+
+Browser.Plugins.Flash = (function(){
+    var version = ($tryCatch(function(){
+        return navigator.plugins['Shockwave Flash'].description;
+    }, function(){
+        return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
+    }) || '0 r0').match(/\d+/g);
+    return {version: parseInt(version[0] || 0 + '.' + version[1], 10) || 0, build: parseInt(version[2], 10) || 0};
+})();
+
+function $exec(text){
+    if (!text) return text;
+    if (window.execScript){
+        window.execScript(text);
+    } else {
+        var script = document.createElement('script');
+        script.setAttribute('type', 'text/javascript');
+        script[(Browser.Engine.webkit && Browser.Engine.version < 420) ? 'innerText' : 'text'] = text;
+        document.head.appendChild(script);
+        document.head.removeChild(script);
+    }
+    return text;
+};
+
+function getPosition(element) {
+    var xPosition = 0;
+    var yPosition = 0;
+  
+    while(element) {
+        xPosition += (element.offsetLeft - element.scrollLeft + element.clientLeft);
+        yPosition += (element.offsetTop - element.scrollTop + element.clientTop);
+        element = element.offsetParent;
+    }
+    return { x: xPosition, y: yPosition };
+}