var screenS = Class.create();

screenS.prototype = {

	initialize: function () {	

		this.sessionId = "";

		this.login = false;

		this.signUpUrl = "http://bradsacks.com/userSignup.php";

		this.signUpScrnUrl = "http://bradsacks.com/userSignupScrn.php";

		this.errorLogUrl = "http://bradsacks.com/logErrors.php";

	},

	

	checkemail: function(evt) {

		var results = false;

		var email = Event.element(evt).value;

		var regexp  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

		if (regexp.test(email)) {

			var results = true;

		} else {

			Field.activate($(Event.element(evt).id));

			//new msg("Invalid date!", Event.element(evt).id, msg.PRIORITY_VALIDATE);

		}

		return results

	},	

	

	checkLogin: function() {

		var params = "action=checkLogin";

		ajaxRequest = new Ajax.Request(

				"http://bradsacks.com/userSignup.php",

				{

					method: 'post',  

					parameters: params,

					onComplete: this.confirmLogin.bind(this)

				}

		);

	},

	

	confirmLogin: function(originalRequest) {

		var response = eval('(' + originalRequest.responseText + ')');

		if (response.name == "login" && unescape(response.value) != "false") {

			this.sessionId = unescape(response.value);

			this.login = true;

			this.toggleScreen();

		} else {

			this.setLoginEvents();	

		}

		

	},

	

	setLoginEvents: function() {



		Event.observe('loginsubmit', 'mouseup', (

			function(evt) {

				this.userLogin();

			}   

		).bindAsEventListener(this));	

		

		Event.observe('loginsubmit', 'keydown', (

			function(evt) {

				if (Event.checkChar(evt, Event.keyReturn)) {

					this.userLogin();

				}

			}   

		).bindAsEventListener(this));	



		Event.observe('loginreset', 'mouseup', (

			function(evt) {

				this.resetForm();

			}   

		).bindAsEventListener(this));	

		

		Event.observe('loginreset', 'keydown', (

			function(evt) {

				if (Event.checkChar(evt, Event.keyReturn)) {

					this.resetForm();

				}

			}   

		).bindAsEventListener(this));	



	},

		

	globalEvents: function() {

		

		Event.observe('createuserLink', 'mouseup', (

			function(evt) {

				window.location = this.signUpScrnUrl;

			}   

		).bindAsEventListener(this));	

		

		Event.observe('createuserLink', 'keydown', (

			function(evt) {

				if (Event.checkChar(evt, Event.keyReturn)) {

					window.location = this.signUpScrnUrl;

				}

			}   

		).bindAsEventListener(this));	



	},

	

	userLogin: function() {

		this.action = "login";

		var params = eval ('(' + this.getPostParams('login') + ')');

		ajaxRequest = new Ajax.Request(

				this.signUpUrl, 

				{

					method: 'post',  

					parameters: params,

					onComplete: this.confirmUserLogin.bind(this)

				}

		);

	},

	

	confirmUserLogin: function(originalRequest) {

		var response = eval('(' + originalRequest.responseText + ')');

		if (response.name == "login") {

			this.sessionId = unescape(response.value);

			this.login = true;

			this.toggleScreen();

		} else {

			alert(unescape(response.value));	

		}	

	},

	

	resetForm: function() {

		var myFields = document.getElementsByClassName("field");

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

			myFields[i].value = "";

			myFields[i].style.background = "#FFFFFF";

		}

	},

		

	getPostParams: function(parentId) {

		var results = "{action:'" + this.action + "',";

		var myFields = document.getElementsByClassName("field");

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

			if (myFields[i].parentNode.parentNode.id != parentId) continue;

			var nameVar = myFields[i].id;

			var valueVar = myFields[i].value;

			results += nameVar + ": '" + valueVar + "'";

			if (i + 1 != myFields.length) results += ", "; 

		}

		results += "}";

		return results;	

	}

}



// String object extensions

Object.extend(String.prototype, {

	

	

});





// Event object extensions

Object.extend(Event, {

	keyBackspace:  8,

	keyTab:        9,

	keyReturn:    13,

	keyEsc:       27,

	keyLeft:      37,

	keyUp:        38,

	keyRight:     39,

	keyDown:      40,

	keyInsert:    45,  

	keyDelete:    46,

	keyF1:       112,    

	keyF2:       113,  

	keyF12:      123,    

	keyPageUp:    33,    

	keyPageUp:    34,    

	keyHome:      36,

	keyEnd:       35,  

	

	checkChar: function (evt, checkChar) {

		results = false;

		var chrCode = (evt.which) ? evt.which : evt.keyCode;	

		if (checkChar == chrCode) {

			results = true;

		}

		return results;

	}

});



var errorHandler = Class.create();

errorHandler.prototype = {

	

	logErrors: function(message, script, lineNumber) {

		//send error to server

		params = "message=" + escape(message) + "&script=" + escape(script) + "&lineNumber=" + escape(lineNumber);

		ajaxRequest = new Ajax.Request(

			this.errorLogUrl, 

			{

				method: 'get',  

				parameters: params

			}

		);

	},



	displayErrorMessage: function(message, script, lineNumber) {

		 alert(

				  'JavaScript error occurred: \n'

				 +'\nError: \t'+message

				 +'\nScript:      \t'+script

				 +'\nLine number:       \t'+lineNumber

			   );



		return true;

	}

}



var handleErrors = new errorHandler();

window.onerror = function (message, script, lineNumber) {

	return handleErrors.displayErrorMessage(emessage, script, lineNumber);

}