$(function() {
		// a workaround for a flaw in the demo system (http://dev.jqueryui.com/ticket/4375), ignore!
		$( "#dialog:ui-dialog" ).dialog( "destroy" );

		var name = $( "#name" ),
			email = $( "#email" ),
			allFields = $( [] ).add( name ).add( email ),
			tips = $( ".validateTips" );

		function updateTips( t ) {
			tips
				.text( t )
				.addClass( "ui-state-highlight" );
			setTimeout(function() {
				tips.removeClass( "ui-state-highlight", 1500 );
			}, 500 );
		}

		function checkLength( o, n, min, max ) {
			if ( o.val().length > max || o.val().length < min ) {
				o.addClass( "ui-state-error" );
				updateTips( "Length of " + n + " must be between " +
					min + " and " + max + "." );
				return false;
			} else {
				return true;
			}
		}

		function checkRegexp( o, regexp, n ) {
			if ( !( regexp.test( o.val() ) ) ) {
				o.addClass( "ui-state-error" );
				updateTips( n );
				return false;
			} else {
				return true;
			}
		}

		$( "#dialog-form" ).dialog({
			autoOpen: false,
			height: 485,
			width: 550,
			modal: true,
			buttons: {
				"Sign-Up": function() {
					var bValid = true;
					allFields.removeClass( "ui-state-error" );

					bValid = bValid && checkLength( name, "username", 3, 16 );
					bValid = bValid && checkLength( email, "email", 6, 80 );

					bValid = bValid && checkRegexp( name, /^[a-z]([0-9a-z_])+$/i, "Username may consist of a-z, 0-9, underscores, begin with a letter." );
					// From jquery.validate.js (by joern), contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
					bValid = bValid && checkRegexp( email, /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i, "eg. ui@jquery.com" );

					if ( bValid ) {
						$( "#users tbody" ).append( "<tr>" +
							"<td>" + name.val() + "</td>" +
							"<td>" + email.val() + "</td>" +
						"</tr>" );
						//$( this ).dialog( "close" );
						submitEmailForm();					
						document.getElementById('theForm').submit();
					
					}
				},
			},
			close: function() {
				allFields.val( "" ).removeClass( "ui-state-error" );
			}
		});

		$( "#emailSignUpBtn" )
			.button()
			.click(function() {
				$( "#dialog-form" ).dialog( "open" );
			});
	});

		function emailForm(){
			setTimeout('showEmailForm()', 20000);
		}

		function showEmailForm(){

			var emailFormViewed = getCookie('emailFormViewed');
			var emailProvided = getCookie('emailProvided');
			var go = 1;

			if(emailFormViewed == "true"){
				var go = 0;
			}

			if(emailProvided == "true"){
				var go = 0;
			}

			document.cookie = "emailFormViewed=true";

			if(go == 1){
				document.getElementById('emailSignUpBtn').click();
			}

		}

		function getCookie(c_name){

			var i,x,y,ARRcookies=document.cookie.split(";");
			for (i=0;i<ARRcookies.length;i++)

			{
			  x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
			  y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
			  x=x.replace(/^\s+|\s+$/g,"");
			  if (x==c_name)
			    {
			    return unescape(y);
			    }
			  }
		}


		function submitEmailForm(){

			document.getElementById('emailFormStart').style.display = "none";
			document.getElementById('emailThankYou').style.display = "inline";
			document.cookie = "emailProvided=true; ; Expires=Tue, 14-Jan-2020 21:47:38 GMT;";
			setTimeout('submitEmailForm2()', 25000);

		}

		function submitEmailForm2(){

			document.getElementById('theForm').submit();

		}