function EmulatorHelper() {

	this.path = document.location.pathname;

	this.errorDailog = null;

	this.prefDailog = null;

	this.inspectorDailog = null;

	this.intervalId = null;

	this.infoPlistCounter = false;

	this.IconFileCounter = false;

}

EmulatorHelper.prototype.loadScript = function(path) {

	var head = document.getElementsByTagName("head")[0]

			|| document.documentElement;

	var script = document.createElement("script");

	script.type = "text/javascript";

	script.src = src;

	head.appendChild(script);

};

EmulatorHelper.prototype.loadPreferences = function() {

	if (/dreamweaver/i.test(navigator.userAgent)) {

		$("#dwDeviceHelp")[0].className = '';

		// $("#resSupportLink")[0].className = 'hide';

	}

	// Selecting Resoltion

	var resOptions = $("#resOptions")[0];

	for ( var i = 0; i < NOKIA.resolution.length; i++) {

		if (NOKIA.resolution[i] == NOKIA.currentDevice) {

			resOptions.options[i].selected = true;

			break;

		}

	}

	NOKIA.version = "1.1";

};

EmulatorHelper.prototype.getInfo = function(url, callback) {

	try {

		var xhr = this.ajax();

		if ((/AppleWebKit/i.test(navigator.userAgent)))

			xhr.open("GET", url, false);

		else

			xhr.open("GET", url, true);

		xhr.onreadystatechange = function() {

			// readyState = 4 ; "complete"

			if (xhr.readyState == 4) {

				// status = 200 ; "ok"

				if ((xhr.status == 200) || (!xhr.status)) {

					callback(true, xhr);

				} else {

					callback(false, xhr);

				}

			}

		};

		xhr.send(null);

	} catch (e) {

		if (e.name == 'NS_ERROR_FILE_NOT_FOUND') {

			callback(false, xhr);

		}

	}

};

EmulatorHelper.prototype.getInfoCallback = function(flag, xhr) {

	// If Info.plis NOT FOUND / FAILED LOAD

	// an ERROR!, unable to proceed further

	// STOP there

	if (!flag) {

		if (!NOKIA.helper.infoPlistCounter) {

			NOKIA.helper.infoPlistCounter = true;

			NOKIA.helper.getInfo('info.plist', NOKIA.helper.getInfoCallback);

			return false;

		}

		NOKIA.helper

				.error('WRT Previewer: Initialization failed. Could not open Info.plist file.<br/>Please ensure <strong style="color:#efe352;">Info.plist</strong> file exists in the project root folder and that it is named properly.');

		return false;

	} else {

		var xmlString = xhr.responseText;

		// do some cheating here

		xmlString = xmlString.replace(/<!--(.|[\n\r])*?-->/gm, "");

		xmlString = xmlString.replace(/<\s*true\s*\/>/gi,

				"<string>true</string>");

		xmlString = xmlString.replace(/<\s*false\s*\/>/gi,

				"<string>false</string>");

		xmlString = xmlString.replace(/[\n\r]/gi, "");

		// return the JSON Object

		NOKIA.helper.validate(xmlString);

	}

};

EmulatorHelper.prototype.getIconCallback = function(flag, xhr) {

	if (!flag) {

		if (!NOKIA.helper.IconFileCounter) {

			NOKIA.helper.IconFileCounter = true;

			NOKIA.helper.getInfo('icon.png', NOKIA.helper.getIconCallback);

			return false;

		}

	} else

		NOKIA.emulator.iconFile = (NOKIA.helper.IconFileCounter) ? "icon.png"

				: "Icon.png";

};

EmulatorHelper.prototype.validate = function(xmlObject) {

	var values = xmlObject

			.match(/.*<plist.*?(<dict.*?>\s*(<key[^>]*?>[^<]*?<\/key>\s*<string[^>]*?>[^<]*?<\/string>)*\s*<\/dict>)\s*<\/plist>/)[1];

	if (values == null || values == undefined) {

		NOKIA.helper.error('Corrupted Info.plist file');

		return false;

	}

	values = values.replace(/<dict.*?(<key.*?>\s*.*\s*<\/string>)\s*<\/dict>/,

			"{ $1 }");

	values = values

			.replace(

					/\s*<key.*?>\s*(.*?)\s*<\/key>\s*<string.*?>\s*(.*?)\s*<\/string>\s*/g,

					"\"$1\" : \"$2\", ");

	values = values.replace(/"\s*?,\s*?}/g, "\" }");

	try {

		NOKIA.emulator.plist = JSON.parse(values);

	} catch (exception) {

		NOKIA.helper.error('Corrupted Info.plist file');

		return false;

	}

	try {

		if (typeof NOKIA.emulator.plist.DisplayName != 'undefined') {

			document.title = NOKIA.emulator.plist.DisplayName + ' - '

					+ document.title;

		}

	} catch (e) {

	}

	// Add UI-Event listeners

	NOKIA.helper.addListeners();

	NOKIA.layout.init();

	NOKIA.emulator.render();

};

EmulatorHelper.prototype.ajax = function() {

	// xmlHttpRequest object

	var request = null;

	// branch for native XMLHttpRequest object

	if (window.XMLHttpRequest && !(window.ActiveXObject)) {

		try {

			request = new XMLHttpRequest();

			try {

				// attach the Bypass code, if the browser is firefox

				if (netscape.security.PrivilegeManager.enablePrivilege) {

					// duplicate the function

					request._open = request.open;

					// redefine the function definition

					request.open = function(method, url, flag) {

						try {

							// Enable Universal Browser Read

							netscape.security.PrivilegeManager

									.enablePrivilege("UniversalBrowserRead");

							// call the native XmlHttpRequest.open method

							this._open(method, url, flag);

						} catch (e) {

							// call the native XmlHttpRequest.open method

							this._open(method, url, flag);

						}

					};

				}

			} catch (e) {

				// eatup all exceptions

			}

		} catch (e) {

			request = null;

		}

		// branch for IE/Windows ActiveX version

	} else if (window.ActiveXObject) {

		try {

			request = new ActiveXObject("Msxml2.XMLHTTP");

		} catch (e) {

			try {

				request = new ActiveXObject("Microsoft.XMLHTTP");

			} catch (e) {

				alert('Failed to create XmlHttprequest');

				return null;

			}

		}

	}

	return (request);

};

EmulatorHelper.prototype.error = function(msg) {

	if (NOKIA.menu.enable_log)

		NOKIA.layout.log("log", msg);

	$("#Dialog").html(msg);

	$("#Dialog").dialog('open');

};

EmulatorHelper.prototype.setPreference = function(name, value) {

	if (NOKIA.emulator.prefs[name] != value) {

		NOKIA.emulator.prefs[name] = value;

		$.post("preview/preferences.js", JSON.stringify( {

			"key" : name,

			"value" : value

		}), undefined, "json");

	}

};

EmulatorHelper.prototype.getPreference = function(name) {

	return NOKIA.emulator.prefs[name];

};

EmulatorHelper.prototype.addListeners = function() {

	NOKIA.helper.loadPreferences();

	/*

	 * Render Emulator for Interaction

	 */

	NOKIA.helper.inspectorDailog = $("#InspectorTab").dialog( {

		width : 370,

		minWidth : 300,

		minHeight : 200,

		height : 250,

		autoOpen : false,

		position : top,

		title : ' ',

		buttons : {

			"Close" : function() {

				$("#InspectorTab").dialog('close');

			},

			"Disconnect Debugger" : function() {

				$.ajax( {

					url : "__sym_command/terminateDebug"

				});

			}

		}

	});

	$('#InspectorBtn').click(function() {

		$('#InspectorTab').dialog('open');

		// Hack for Mac firefox

		if (/Mac/i.test(navigator.userAgent)) {

			$("#WidgetArea iframe").css( {

				overflow : 'hidden'

			});

		}

	});

	$('#resOptions').change(

			function(ele) {

				ele = ele.target || this;

				NOKIA.currentDevice = ele.options[ele.selectedIndex].text;

				// SAVE the device DATA

				NOKIA.helper.setPreference('__SYM_NOKIA_EMULATOR_DEVICE',

						NOKIA.currentDevice);

				NOKIA.emulator.render();

				NOKIA.helper.loadPreferences();

			});

	$("#iframeMask").click(function() {

		$("#orientationIcon").hide();

		$("#iframeMask").hide();

		$("#loaderDiv").hide();

		NOKIA.menu.is_dimmed = false;

		$("#WidgetArea")[0].className = '';

		NOKIA.menu.softkeys_visibility = true;

		NOKIA.menu.showSoftKeys();

	});

	// MenuItems DIV events

	$("#MenuItemsArea").mouseover(function() {

		if (NOKIA.helper.intervalId)

			clearInterval(NOKIA.helper.intervalId);

		$("#MenuItemsArea").show();

	});

	$("#MenuItemsArea").mouseout(function() {

		if (NOKIA.helper.intervalId)

			clearInterval(NOKIA.helper.intervalId);

		NOKIA.helper.intervalId = setTimeout(function() {

			NOKIA.menu.cancel();

		}, 10000);

	});

	NOKIA.layout.currentTab = NOKIA.helper

			.getPreference(EmulatorPreferences.SELECTED_TAB);

	if (NOKIA.layout.currentTab == undefined) {

		NOKIA.layout.currentTab = 0;

	}

	// Tabs

	$('#tabs').tabs(

			{

				select : function(event, ui) {

					var selectedTab = ui.index;

					NOKIA.helper.setPreference(

							EmulatorPreferences.SELECTED_TAB, selectedTab);

					NOKIA.layout.currentTab = selectedTab;

					if (selectedTab == 0) {

						$('#Console-Notification').hide();

					} 

				},

				selected : NOKIA.layout.currentTab

			});

	$(".tabs-bottom .ui-tabs-nav, .tabs-bottom .ui-tabs-nav > *").removeClass(

			"ui-corner-all ui-corner-top").addClass("ui-corner-bottom");

	$('#Console-Notification').click(function() {

		$('#tabs').tabs( {

			selected : 0

		});

		$(this).hide();

		window

		.setTimeout(

				function() {

					$('#preview-ui-bottom-body')[0].scrollTop = $('#preview-ui-bottom-body')[0].scrollHeight;

				}, 300);

		return NOKIA.layout._console_minimized;

	});

	$("#clockwise").button( {

		icons : {

			primary : "button-clockwise"

		},

		text : null

	}).click(function() {

		NOKIA.emulator.turn(1);

	});

	$("#cclockwise").button( {

		icons : {

			primary : "button-cclockwise"

		},

		text : null

	}).click(function() {

		NOKIA.emulator.turn(-1);

	});

	$("#xleft").button( {

		icons : {

			primary : 'ui-icon-triangle-1-w'

		},

		text : false

	});

	$("#xright").button( {

		icons : {

			primary : 'ui-icon-triangle-1-e'

		},

		text : false

	});

	$("#yleft").button( {

		icons : {

			primary : 'ui-icon-triangle-1-w'

		},

		text : false

	});

	$("#yright").button( {

		icons : {

			primary : 'ui-icon-triangle-1-e'

		},

		text : false

	});

	$("#zleft").button( {

		icons : {

			primary : 'ui-icon-triangle-1-w'

		},

		text : false

	});

	$("#zright").button( {

		icons : {

			primary : 'ui-icon-triangle-1-e'

		},

		text : false

	});

	/*

	 * Event triggering

	 */

	// for battery

	$("#event-battery").click(function(event) {

		if (event.target.className == 'active') {

			$("#event-icons").hide();

			$("#event-battery-info").show();

			/*

			 * $('#slider').slider('option', 'value',

			 * NOKIA.emulator.child._BRIDGE_REF.helper.getBatteryStrength());

			 * NOKIA.emulator.child._BRIDGE_REF.helper.getBatteryStrength()

			 * $('#slider').slider('option', 'value', 10);

			 * $('#slider').slider();

			 */

		}

	});

	$("#event-battery-back").click(function(event) {

		$("#event-icons").show();

		$("#event-battery-info").hide();

	});

	// for messaging

	$("#event-messaging").click(function(event) {

		if (event.target.className == 'active') {

			$("#event-icons").hide();

			$("#event-messaging-info").show();

		}

	});

	$("#event-messaging-back").click(function(event) {

		$("#event-icons").show();

		$("#event-messaging-info").hide();

	});

	// for memory

	$("#event-memory").click(function(event) {

		if (event.target.className == 'active') {

			$("#event-icons").hide();

			$("#event-memory-info").show();

		}

	});

	$("#event-memory-back").click(function(event) {

		$("#event-icons").show();

		$("#event-memory-info").hide();

	});

	// Slider

	$('#slider').slider(

			{

				min : 0,

				max : 100,

				step : 1,

				value : 10,

				animate : true,

				slide : function(event, ui) {

					$("#slider-value-panel > span").html(

							ui.value.toString() + "%");

				},

				change : function(event, ui) {

					var chargeValue = ui.value;

					NOKIA.helper.trigger("power", "chargelevel", chargeValue);

					if (NOKIA.version == 'WRT 1.1')

						NOKIA.helper.triggerSapi("Service.SysInfo",

								"Battery.BatteryStrength", {

									Status : chargeValue

								});

				}

			});

	$("#slider-value-panel > span").html("10%");

	$("#external-app-close").button().click(NOKIA.layout.closeApplication);

	// Bind Buttons to trigger values to WRT 1.0 / 1.1 bindings

	$("#connect-charger").click(NOKIA.helper.triggerEvents);

	$("#disconnect-charger").click(NOKIA.helper.triggerEvents);

	$("#send-sms").click(NOKIA.helper.triggerEvents);

	$("#send-mms").click(NOKIA.helper.triggerEvents);

	$("#connect-memory-card").click(NOKIA.helper.triggerEvents);

	$("#disconnect-memory-card").click(NOKIA.helper.triggerEvents);

};

EmulatorHelper.prototype.setHomeScreen = function() {

	// HomeScreen Support

	if (NOKIA.deviceList[NOKIA.currentDevice].homeScreenSupport) {

		if (typeof NOKIA.emulator.plist.MiniViewEnabled != 'undefined') {

			if (NOKIA.emulator.plist.MiniViewEnabled != 'false') {

				$("#WidgetArea")[0].className = 'hs_' + NOKIA.mode;

				// menu handlining

				NOKIA.menu.softkeys_visibility = false;

				NOKIA.menu.cancel();

				NOKIA.menu.is_dimmed = true;

				$("#loaderDiv").html("Click on widget for Return to Full view");

				$("#loaderDiv")[0].className = 'green';

				$("#loaderDiv").show();

				$("#iframeMask").show();

				$("#orientationIcon").show();

				return true;

			}

		}

	}

	return false;

};

EmulatorHelper.prototype.getElementsLengthInObject = function(items) {

	var count = 0;

	for ( var i in items) {

		if (!items[i].isDimmed)

			count++;

	}

	return count;

};

EmulatorHelper.prototype.triggerEvents = function(event) {

	if (typeof event.target.id == 'undefined')

		return false;

	switch (event.target.id) {

	// for battery

	case 'connect-charger':

		NOKIA.helper.trigger("power", "chargerconnected", 1);

		if (NOKIA.version == 'WRT 1.1')

			NOKIA.helper.triggerSapi("Service.SysInfo",

					"Battery.ChargingStatus", {

						Status : 1