diff --git a/lib/chrome.js b/lib/chrome.js
index 51e84d2..f68e3ae 100644
--- a/lib/chrome.js
+++ b/lib/chrome.js
@@ -553,35 +553,37 @@ var ChromeObject = function() {
         }
     };
 
-    this.getNestedElementPosition = function(selector, subSelector, searchText) {
+    this.getNestedElementPosition = function(selector, subSelector, searchText, startIndex) {
         var s = '';
+		var startIndex = (typeof startIndex !== 'undefined' ? startIndex : 0);
 
-        if (searchText.indexOf(':p(') != 0) {
+		if (searchText.indexOf(':tokenize(') == 0) {
+			searchText = searchText.substring(searchText.indexOf('(') + 1, searchText.lastIndexOf(')'));
             s += '(function() {'
                 + '    var elements = Object.values(document.querySelectorAll("' + selector + '")).filter(function(x) {'
                 + '        var el = x.querySelector("' + subSelector + '");'
-                + '        var keywords = decodeURIComponent("' + encodeURIComponent(searchText) + '").split(" ");'
+                + '        var keywords = decodeURIComponent("' + encodeURIComponent(searchText) + '").trim().split(" ");'
                 + '        var text = el instanceof HTMLElement ? [el.innerText, el.getAttribute("aria-label"), el.getAttribute("class")].join(" ") : "";'
                 + '        return (text.split(" ").filter(function(w) { return keywords.indexOf(w) > -1; }).length >= keywords.length);'
-                + '    });'
+                + '    ' + (startIndex > 0 ? '}).slice(' + startIndex + ');' : '});')
                 + '    if (elements.length > 0) {'
                 + '        var rect = elements[0].getBoundingClientRect();'
-                + '        return [parseInt(rect.left), parseInt(rect.top), parseInt(rect.x), parseInt(rect.y), parseInt(rect.right), parseInt(rect.bottom)].join(",");' 
+                + '        return [parseInt(rect.left), parseInt(rect.top), window.pageXOffset + parseInt(rect.left), window.pageYOffset + parseInt(rect.top), parseInt(rect.width), parseInt(rect.height)].join(",");' 
                 + '    } else {'
                 + '        return "";'
                 + '    }'
                 + '})()'
             ;
-        } else {
-            var p = parseFloat(searchText.substring(searchText.indexOf('(') + 1, searchText.indexOf(')')));
+		} else if (searchText.indexOf(':p(') == 0) {
+            var p = parseFloat(searchText.substring(searchText.indexOf('(') + 1, searchText.lastIndexOf(')')));
             if (p > 0) {
                 s += '(function() {'
                     + '    var elements = Object.values(document.querySelectorAll("' + selector + '")).filter(function(x) {'
                     + '        return (Math.random() < ' + p + ');'
-                    + '    });'
+					+ '    ' + (startIndex > 0 ? '}).slice(' + startIndex + ');' : '});')
                     + '    if (elements.length > 0) {'
-                    + '        var rect = elements[0].querySelector("' + subSelector + '").getBoundingClientRect();'
-                    + '        return [parseInt(rect.left), parseInt(rect.top), parseInt(rect.x), parseInt(rect.y), parseInt(rect.right), parseInt(rect.bottom)].join(",");' 
+                    + '        var rect = elements[0].getBoundingClientRect();'
+                    + '        return [parseInt(rect.left), parseInt(rect.top), window.pageXOffset + parseInt(rect.left), window.pageYOffset + parseInt(rect.top), parseInt(rect.width), parseInt(rect.height)].join(",");' 
                     + '    } else {'
                     + '        return "";'
                     + '    }'
@@ -590,16 +592,33 @@ var ChromeObject = function() {
             } else {
                 s += '(function() {'
                     + '    var elements = Object.values(document.querySelectorAll("' + selector + '"));'
+					+ '    ' + (startIndex > 0 ? 'elements = elements.slice(' + startIndex + ');' : '')
                     + '    if (elements.length > 0) {'
                     + '        var k = Math.floor(Math.random() * elements.length);'
-                    + '        var rect = elements[k].querySelector("' + subSelector + '").getBoundingClientRect();'
-                    + '        return [parseInt(rect.left), parseInt(rect.top), parseInt(rect.x), parseInt(rect.y), parseInt(rect.right), parseInt(rect.bottom)].join(",");' 
+                    + '        var rect = elements[k].getBoundingClientRect();'
+                    + '        return [parseInt(rect.left), parseInt(rect.top), window.pageXOffset + parseInt(rect.left), window.pageYOffset + parseInt(rect.top), parseInt(rect.width), parseInt(rect.height)].join(",");' 
                     + '    } else {'
                     + '        return "";'
                     + '    }'
                     + '})()'
                 ;
             }
+        } else {
+            s += '(function() {'
+                + '    var elements = Object.values(document.querySelectorAll("' + selector + '")).filter(function(x) {'
+                + '        var el = x.querySelector("' + subSelector + '");'
+                + '        var searchText = decodeURIComponent("' + encodeURIComponent(searchText) + '").trim();'
+                + '        var text = el instanceof HTMLElement ? [el.innerText, el.getAttribute("aria-label"), el.getAttribute("class")].join(" ") : "";'
+                + '        return (text.indexOf(searchText) > -1);'
+                + '    ' + (startIndex > 0 ? '}).slice(' + startIndex + ');' : '});')
+                + '    if (elements.length > 0) {'
+                + '        var rect = elements[0].getBoundingClientRect();'
+                + '        return [parseInt(rect.left), parseInt(rect.top), window.pageXOffset + parseInt(rect.left), window.pageYOffset + parseInt(rect.top), parseInt(rect.width), parseInt(rect.height)].join(",");' 
+                + '    } else {'
+                + '        return "";'
+                + '    }'
+                + '})()'
+			;
         }
 
         var result = this.getEvaluatedValue(s);
@@ -610,8 +629,8 @@ var ChromeObject = function() {
                 "y": parseInt(pos[1]),
                 "a": parseInt(pos[2]),
                 "b": parseInt(pos[3]),
-                "g": parseInt(pos[4]),
-                "d": parseInt(pos[5])
+                "w": parseInt(pos[4]),
+                "h": parseInt(pos[5])
             };
         } else {
             return {
@@ -619,12 +638,71 @@ var ChromeObject = function() {
                 "y": -1,
                 "a": -1,
                 "b": -1,
-                "g": -1,
-                "d": -1
+                "w": -1,
+                "h": -1
             };
         }
     };
 
+    this.triggerEventOnNestedElement = function(eventName, selector, subSelector, searchText, startIndex) {
+        var s = '';
+		var startIndex = (typeof startIndex !== 'undefined' ? startIndex : 0);
+
+		if (searchText.indexOf(':tokenize(') == 0) {
+			searchText = searchText.substring(searchText.indexOf('(') + 1, searchText.lastIndexOf(')'));
+            s += '(function() {'
+                + '    var elements = Object.values(document.querySelectorAll("' + selector + '")).filter(function(x) {'
+                + '        var el = x.querySelector("' + subSelector + '");'
+                + '        var keywords = decodeURIComponent("' + encodeURIComponent(searchText) + '").trim().split(" ");'
+                + '        var text = el instanceof HTMLElement ? [el.innerText, el.getAttribute("aria-label"), el.getAttribute("class")].join(" ") : "";'
+                + '        return (text.split(" ").filter(function(w) { return keywords.indexOf(w) > -1; }).length >= keywords.length);'
+                + '    ' + (startIndex > 0 ? '}).slice(' + startIndex + ');' : '});')
+                + '    if (elements.length > 0) {'
+                + '        elements[0].' + (eventName == 'click' ? 'click()' : 'dispatchEvent(new Event("' + eventName + '"))') + ';'
+                + '    }'
+                + '})()'
+            ;
+		} else if (searchText.indexOf(':p(') == 0) {
+            var p = parseFloat(searchText.substring(searchText.indexOf('(') + 1, searchText.lastIndexOf(')')));
+            if (p > 0) {
+                s += '(function() {'
+                    + '    var elements = Object.values(document.querySelectorAll("' + selector + '")).filter(function(x) {'
+                    + '        return (Math.random() < ' + p + ');'
+					+ '    ' + (startIndex > 0 ? '}).slice(' + startIndex + ');' : '});')
+                    + '    if (elements.length > 0) {'
+                    + '        elements[0].' + (eventName == 'click' ? 'click()' : 'dispatchEvent(new Event("' + eventName + '"))') + ';'
+                    + '    }'
+                    + '})()'
+                ;
+            } else {
+                s += '(function() {'
+                    + '    var elements = Object.values(document.querySelectorAll("' + selector + '"));'
+					+ '    ' + (startIndex > 0 ? 'elements = elements.slice(' + startIndex + ');' : '')
+                    + '    if (elements.length > 0) {'
+                    + '        var k = Math.floor(Math.random() * elements.length);'
+                    + '        elements[k].' + (eventName == 'click' ? 'click()' : 'dispatchEvent(new Event("' + eventName + '"))') + ';'
+                    + '    }'
+                    + '})()'
+                ;
+            }
+        } else {
+            s += '(function() {'
+                + '    var elements = Object.values(document.querySelectorAll("' + selector + '")).filter(function(x) {'
+                + '        var el = x.querySelector("' + subSelector + '");'
+                + '        var searchText = decodeURIComponent("' + encodeURIComponent(searchText) + '").trim();'
+                + '        var text = el instanceof HTMLElement ? [el.innerText, el.getAttribute("aria-label"), el.getAttribute("class")].join(" ") : "";'
+                + '        return (text.indexOf(searchText) > -1);'
+                + '    ' + (startIndex > 0 ? '}).slice(' + startIndex + ');' : '});')
+                + '    if (elements.length > 0) {'
+                + '        elements[0].' + (eventName == 'click' ? 'click()' : 'dispatchEvent(new Event("' + eventName + '"))') + ';'
+                + '    }'
+                + '})()'
+			;
+        }
+
+        return this.evaluate(s);
+    };
+
     this.getNestedElementIndex = function(selector, subSelector, searchText) {
         var s = '';