var _jq, _hc;

var jqsrc = "http://code.jquery.com/jquery-1.7.min.js";

var hcsrc = "http://code.highcharts.com/highcharts.js";

function checkJquery() {

    if(typeof(jQuery) == "function") {

        window.clearInterval(_jq);

        initHighcharts();

    }

}

function checkHighcharts() {

    if(typeof(jQuery("body").highcharts) == "function") {

        window.clearInterval(_hc);

        initTochart();

    }

}

function initJquery() {

    if(typeof(jQuery) != "function") {

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

        jq.type = "text/javascript";

        jq.src = jqsrc;

        document.body.appendChild(jq);

        _jq = window.setInterval(checkJquery, 500);

    } else {

        initHighcharts();

    }

}

function initHighcharts() {

    if(typeof(jQuery("body").highcharts) != "function") {

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

        hc.type = "text/javascript";

        hc.src = hcsrc;

        document.body.appendChild(hc);

        _hc = window.setInterval(checkHighcharts, 500);

    } else {

        initTochart();

    }

}

function initTochart() {

    jQuery.fn.tochart = function(options) {

        var defaults = {x: 0, sort: null, include: [], exclude: []};

        var opts = $.extend(defaults, options);

        var title = {}, rtitle = {};

        jQuery.each(jQuery(this).find("tr:first").find("th"), function(i, o) {

            title[i] = jQuery(o).text();

            rtitle[jQuery(o).text()] = i;

        });

        var include = [], exclude = [];

        if(!opts.x) opts.x = 0;

        else if(typeof(opts.x) == "string") opts.x = rtitle[opts.x] || 0;

        else if(!typeof(opts.x) != "number") opts.x = 0;

        if(opts.include instanceof Array) {

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

                var c = opts.include[i];

                if(typeof(c) == "number") include.push(c);

                else if(typeof(c) == "string" && rtitle[c] != undefined) include.push(rtitle[c]);

            }

        }

        if(opts.exclude instanceof Array) {

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

                var c = opts.exclude[i];

                if(typeof(c) == "number") exclude.push(c);

                else if(typeof(c) == "string" && rtitle[c] != undefined) exclude.push(rtitle[c]);

            }

        }

        var rows = jQuery(this).find("tr");

        if(typeof(opts.sort) == "boolean") {

            rows.sort(function(a, b) {

                return jQuery(a).find("td:eq(" + opts.x + ")").text().localeCompare(jQuery(b).find("td:eq(" + opts.x + ")").text()) * (opts.sort ? 1 : -1);

            });

        }

        var data = {};

        jQuery.each(rows, function(i, o) {

            jQuery.each(jQuery(o).find("td"), function(j, p) {

                if(data[j] == undefined) {

                    data[j] = [];

                }

                if(j == opts.x) {

                    data[j].push(jQuery(p).text());

                } else if(!isNaN(jQuery(p).text())) {

                    data[j].push(parseFloat(jQuery(p).text()));

                } else {

                    data[j].push(0);

                }

            });

        });

        var ys = [];

        for(var c in title) {

            var i = parseInt(c);

            if(i != opts.x && (include.length == 0 || include.indexOf(i) != -1) && (exclude.length == 0 || exclude.indexOf(i) == -1)) {

                ys.push({name: title[i], data: data[i]});

            }

        }

        jQuery("body").append("<div id=\"__chart\" style=\"display: block;\"></div>");

        jQuery("#__chart").highcharts({

            title: {

                text: ""

            },

            credits: {

                enabled: false

            },

            xAxis: {

                categories: data[opts.x]

            },

            series: ys,

            tooltip: {

                formatter: function() {

                    return this.x + "<br />" + this.series.name + ": " + this.y;

                }

            }

        });

    }

}

initJquery();