var MOCA_HOME_ID = 0;

    var MOCA_BASE_URL = 'http://www.precisiontracking.co.nz/';

    var MOCA_HOME_URL = 'http://www.precisiontracking.co.nz/';

    // Default table listing row bg colour
    var MOCA_TABLE_BG_DEFAULT = 'transparent';

    // Used to stripe listing tables for readability
    var MOCA_TABLE_BG = 'transparent';
    var MOCA_TABLE_BG_BLUE = '#eceff5';
    var MOCA_TABLE_BG_DARK = '#B3B3B3';

    // Highlight record being edited
    var MOCA_TABLE_HIGHLIGHT = '#ffc';

    // Highlight just-created field
    var MOCA_TABLE_NEW_ROW = 'pink';

    // Global ajax error handler:
    /*
    $.ajaxSetup({'error':function(req,msg,err){
                        mocaAlert("<p>" + req.responseText +
                                  "<br />Error: " + msg + '</p>', 'AJAX Error'

                                  );}});
    */
    $.ajaxSetup({
        error:function(x,e){
            if(x.status==0){
                mocaAlert('No network found', 'AJAX Error');
            }else if(x.status==404){
                mocaAlert('Requested url not found', 'AJAX Error');
            }else if(x.status==500){
                mocaAlert('Internel server error', 'AJAX Error');
            }else if(e=='parsererror'){
                mocaAlert('Parsing JSON request failed', 'AJAX Error');
            }else if(e=='timeout'){
                mocaAlert('Request time out', 'AJAX Error');
            }else {
                mocaAlert('Unknown Ajax Error:\\n'+x.responseText, 'AJAX Error');
            }
        }
    });


    // Click status messages to dismiss:
    $(document).ready(function(){

                          $('#statusMessage').bind('click',function(){$('#statusMessage').html('');});
                          $('#statusCell').bind('click',function(){$('#statusMessage').html('');});
                      });


    // Populated by MocaForm::initJavascript()
    var Help = {};

    // External stylesheet to be used by fck_editor. Initialised
    // as required in MocaForm->initJavascript()
    var MocaFckStyles = '';

    function logout(){

        window.location.href = MOCA_BASE_URL + 'sitemgr/logout.php';
    }

    function highlightRows(table_id, no_header_row,skip){

      /* Given the ID of a table element, set every alternate
         row's background colour to MOCA_TABLE_BG colour. Unless
         no_header_row is set, the first row will be left untouched.
         Apply the class 'nonList' to any rows you want skipped
      */

        var odd = false;
        var first = true;

        $('TABLE#' + table_id + ' TR:not(.nonList)').map(
            function(){
                if(!no_header_row && first){skip--;first = false;return;}
                if(skip){odd=true;skip--;return;}
                if($(this).css('display')!='none'){
                  $('TD',$(this)).map(function(){this.style.backgroundColor = odd ? MOCA_TABLE_BG : '';});
                  odd = !odd;
                }
            })
    }

    function highlightOptions(select_id,colour ){

      /* Given the ID of a select element, set every alternate
         option's background colour to given colour.MOCA_TABLE_BG colour.
      */

        colour = colour ? colour : MOCA_TABLE_BG;
        var odd = false;
        $('SELECT#' + select_id + ' OPTION:not(.nonList)').map(
            function(){
                if($(this).css('display')!='none'){
                    this.style.backgroundColor = odd ? colour : '';
                    odd = !odd;
                }
            })
			}



    function ckeditorInit(){
        // Called by page onLoad MocaForm.initJavascript(): change internal
        // stylesheet to that initialised by moca.form

        if(MocaFckStyles){
	        CKEDITOR.on( 'instanceReady', function( ev ) {
				ev.editor.config.contentsCss = MocaFckStyles;
				ev.editor.setData(ev.editor.getData());});
		}
    }

    function deleteFromListing(frm,ids){
        // Delete records from listing page - ids is either array or
        // comma-separated string of ids. Form is DOM element
        frm.id_list.value = typeof ids == 'string' ? ids : ids.join(',');
        frm.func.value = 'delete';
        frm.submit();
    }

    // Convenience func for use in mocaConfirm & ilk
    function goto(href){window.location.href=href;}

    function showHelp(id){

        if((Help == undefined) || !Help[id]){return;}
        mocaAlert(Help[id],'Help');
    }
    function mocaConfirm(str,func,title){

        title = arguments[2] ? arguments[2] : 'Please Confirm';
        switch('jquidialog'){

            case 'jquidialog':
                str = str.indexOf('<')>-1 ? str : '<p>' + str + '</p>';
                $('BODY').append('<div id="mocaDialog" title="'+title+'">' + str + '</div>');
                $('#mocaDialog').dialog({
                        'close':function(){$('#mocaDialog').remove();},
                        'buttons': {
                            'Ok': function() {func(); $(this).dialog("close");},
                            'Cancel': function() {$(this).dialog("close");}
                            }
                        });

                break;

            case 'jqalert':
                return jAlert(str,title);
                break;

            default:
                return alert(str);
                break;
        }
    }

    function mocaAlert(str){

        /* Custom alert. First arg is message string. Second is title. Third is
          function to be executed on close. Only the first is mandatory */

        var title = arguments[1] ? arguments[1] : '';
        var func = arguments[2] ? arguments[2] : null;

        switch('jquidialog'){
            case 'jquidialog':
                str = str.indexOf('<')>-1 ? str : '<p>' + str + '</p>';

                $('BODY').append('<div id="mocaDialog" title="'+title+'">' + str + '</div>');
                $('#mocaDialog').dialog({

                        'close':function(){if(func){func();}else{$(this).remove();}},
                        'buttons': {
                            'Ok': function() {
                                if(func){func();}
                                else {$(this).remove();}
                            }
                        }
                });
                if(jQuery().easydrag){
                    $('.ui-dialog').easydrag();
                }

                break;

            case 'jqalert':
                return jAlert(str,title);
                break;

            default:
                return alert(str);
                break;
        }
    }
	function is_numeric(el){
		return (typeof(el) === 'number' || typeof(el) === 'string') && el !== '' && !isNaN(el);
	}
	function plural(num){
		return num==1 ? '' : 's';
	}
    String.prototype.mocaPluralise = function(num){
        return this + (num==1? '' : 's');
    };

    String.prototype.mocaStartsWithVowel = function(){
        return this.match(/^[aeiou]/i)
    };

    String.prototype.mocaCamelCase = function(){
        var s = $.trim( this.toLowerCase() );
        return s.replace( / ([a-z])/g, function(t,b) { return b.toUpperCase(); } );
    };
    String.prototype.mocaCapitalize = function(){
       return this.replace( /(^|\s)([a-z])/g , function(m,p1,p2){ return p1+p2.toUpperCase(); } );
    };
    String.prototype.mocaZeroPad = function(){
        return this.length==1 ? ('0'+this) : this;
    };
    Array.prototype.mocaRemove = function(x) {
        var pos = -1;
        for(var i=0; i<this.length; i++){
            if(this[i]==x){pos = i;break;}

        }
        if(pos==-1){return this;}
        return this.splice(pos,1);
    };
    String.prototype.mocaStrip = function(html){
		/* remove html tags etc */
		var tmp = document.createElement('div');
		tmp.innerHTML = html;
		return tmp.textContent || tmp.innerText;
    }

    Array.prototype.mocaMax=function() {

        var max = 0;
        for(var i=0; i<this.length; i++){
            if(this[i]>max){max=this[i];}
        }
        return max;
    };
    Date.prototype.mocaToString=function() {
        // 03-12-2010
        var d = String(this.getDate());var m = String(this.getMonth()+1); var y = String(this.getYear()+1900);
        return d.mocaZeroPad() + '-' + m.mocaZeroPad() + '-' + y;
    };
    $(document).ready(function(){
            (function($){
                      $.fn.positionCenter = function(options) {
                        var pos = {
                          sTop : function() {
                            return window.pageYOffset
                            || document.documentElement && document.documentElement.scrollTop
                            ||  document.body.scrollTop;
                          },
                          wHeight : function() {
                            return window.innerHeight
                            || document.documentElement && document.documentElement.clientHeight
                            || document.body.clientHeight;
                          }
                        };
                        return this.each(function(index) {
                          if (index == 0) {
                            var $this = $(this);
                            var elHeight = $this.outerHeight();
                            var elTop = pos.sTop() + (pos.wHeight() / 2) - (elHeight / 2);
                            $this.css({
                              position: 'absolute',
                              margin: '0',
                              top: elTop,
                              left: (($(window).width() - $this.outerWidth()) / 2) + 'px'
                            });
                          }
                        });
                      };


            })(jQuery);
    })
    var MocaCookiesEnabled = false;
    function clientCookieCheck(){
        // Call in form pages reliant on sessions
        setCookie('test_name','test_value',0);
        var ck = getCookie('test_name');
        if(!ck || (ck != 'test_value')) {
            return mocaAlert('Your browser and/or network is not configured '+
                         'to use "cookies". To use this site you must be able to send and receive cookies '+
                         'from our server. Until you can do so you will not  be able to continue.');
        }
        else {
            MocaCookiesEnabled = true;
            deleteCookie('test_name');
        }
    }
    function setCookie(name,
                   value,
                   expires // in X days
                   ){
        /*
         OPTIONAL PARAMS:

         path - where valid, usually '/'
         domain - all crossing of subdomain
         secure
        */
        var today = new Date();
        today.setTime( today.getTime() );
        var expires_date = new Date( today.getTime() + (expires ? expires*1000*60*60*24 : 0) );
        document.cookie = name+'='+escape( value ) +
            (expires ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()
            (arguments[3]? ';path='   + arguments[3] : '' ) +
            (arguments[4]? ';domain=' + arguments[4] : '' ) +
            (arguments[5]? ';secure' : '' );
    }
    function getCookie(name) {

        var start = document.cookie.indexOf( name + "=" );
        var len = start + name.length + 1;
        if (!start && name != document.cookie.substring( 0, name.length )) {return null;}
        if (start == -1) {return null;}
        var end = document.cookie.indexOf( ';', len );
        if ( end == -1 ) end = document.cookie.length;
        return unescape( document.cookie.substring( len, end ) );
    }
    function deleteCookie(name){
        if (getCookie(name)){
            document.cookie = name + '='   +
                (arguments[1] ? ';path='   + arguments[1] : '') +
                (arguments[2] ? ';domain=' + arguments[2] : '' ) +
                ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
            }
    }

    // DEV tool
        function dump(obj){
        var str='';
        for(p in obj){
            str = str + p + ' = ' + obj[p] + "\n";
        }
        return str;
    }