(function() {
    window.spawn = window.spawn || function(gen) {
        function continuer(verb, arg) {
            var result;
            try {
                result = generator[verb](arg);
            } catch (err) {
                return Promise.reject(err);
            }
            if (result.done) {
                return result.value;
            } else {
                return Promise.resolve(result.value).then(onFulfilled, onRejected);
            }
        }
        var generator = gen();
        var onFulfilled = continuer.bind(continuer, 'next');
        var onRejected = continuer.bind(continuer, 'throw');
        return onFulfilled();
    };
	window.showModalDialog2 = function(url) {
		
		if ($("#dialogModal").length)
		{
			$("#dialog-body").attr("src", url);
			$("#dialogModal").show();
			return;
		}
		else if (window.parent)
		{
			if ($("#dialogModal", window.parent.document).length)
			{
				$("#dialog-body", window.parent.document).attr("src", url);
				$("#dialogModal", window.parent.document).show();
				return;
			}
		}
		var dialog = document.body.appendChild(document.createElement('div'));
		dialog.setAttribute('id', 'dialogModal');
        //dialog.setAttribute('style', opt.replace(/dialog/gi, ''));
		dialog.setAttribute('style', "width: 100%; height:100%; min-height: 100%; position:fixed; top:0px; left:0px; background-color:white;");
        dialog.innerHTML = '<iframe id="dialog-body" src="' + url + '" style="border: 0; width: 100%;height:100%; min-height: 100%; position:fixed; top:0px; left:0px; background-color:white;"></iframe>';		
		
		/*
        document.getElementById('dialog-body').contentWindow.dialogArguments = arg;
        document.getElementById('dialog-close').addEventListener('click', function(e) {
            e.preventDefault();
            dialog.close();
        });
		*/
		
		
	};
	
	
    window.showModalDialog__ = function(url, arg, opt) {
        url = url || ''; //URL of a dialog
        arg = arg || null; //arguments to a dialog
        opt = opt || 'dialogWidth:300px;dialogHeight:200px'; //options: dialogTop;dialogLeft;dialogWidth;dialogHeight or CSS styles
        var caller = showModalDialog.caller.toString();
		var dialog = document.body.appendChild(document.createElement('dialog'));
		dialog.setAttribute('id', 'dialogModal');
        dialog.setAttribute('style', opt.replace(/dialog/gi, ''));
        dialog.innerHTML = '<a href="#" id="dialog-close" style="position: absolute; top: 0; right: 4px; font-size: 20px; color: #000; text-decoration: none; outline: none;">&times;</a><iframe id="dialog-body" src="' + url + '" style="border: 0; width: 100%; height: 100%;"></iframe>';
        document.getElementById('dialog-body').contentWindow.dialogArguments = arg;
        document.getElementById('dialog-close').addEventListener('click', function(e) {
            e.preventDefault();
            dialog.close();
        });
        //dialog.showModal();
        //if using yield
        if(caller.indexOf('yield') >= 0) {
            return new Promise(function(resolve, reject) {
                dialog.addEventListener('close', function() {
                    var returnValue = document.getElementById('dialog-body').contentWindow.returnValue;
					document.body.removeChild(dialog);
                    resolve(returnValue);
                });
            });
        }
        //if using eval
        var isNext = false;
        var nextStmts = caller.split('\n').filter(function(stmt) {
            if(isNext || stmt.indexOf('showModalDialog(') >= 0)
                return isNext = true;
            return false;
        });
        dialog.addEventListener('close', function() {
            var returnValue = document.getElementById('dialog-body').contentWindow.returnValue;
			document.body.removeChild(dialog);
            nextStmts[0] = nextStmts[0].replace(/(window\.)?showModalDialog\(.*\)/g, JSON.stringify(returnValue));
            eval('{\n' + nextStmts.join('\n'));
        });
		// throw 'Execution stopped until showModalDialog is closed';
    };
})();

$.fn.focusNextInputField = function() {
    return this.each(function() {
        var fields = $(this).parents('form:eq(0),body').find('button,input,textarea,select');
        var index = fields.index( this );
        if ( index > -1 && ( index + 1 ) < fields.length ) {
            fields.eq( index + 1 ).focus();
        }
        return false;
    });
};

$("body").ready( function() {

	$('input').keydown(function(e)
		{
			if ( e.which == 13 ) 
			{
				e.preventDefault();
				
				$(this).focusNextInputField();
			}
		});
	
});