// minval maxval of array
Array.prototype.max = function(){
    var max = this[0];
    var len = this.length;
    for (var i = 1; i < len; i++) 
        if (this[i] > max) {
            max = this[i];
        }
    return max;
};
Array.prototype.min = function(){
    var min = this[0];
    var len = this.length;
    for (var i = 1; i < len; i++) 
        if (this[i] < min) {
            min = this[i];
        }
    return min;
};
// WORDWRAP
//+ Jonas Raoni Soares Silva
//@ http://jsfromhell.com/string/wordwrap [rev. #2]

String.prototype.wordWrap = function(m, b, c){
    var i, j, l, s, r;
    if (m < 1) 
        return this;
    for (i = -1, l = (r = this.split("\n")).length; ++i < l; r[i] += s) 
        for (s = r[i], r[i] = ""; s.length > m; r[i] += s.slice(0, j) + ((s = s.slice(j)).length ? b : "")) 
            j = c == 2 || (j = s.slice(0, m + 1).match(/\S*(\s)?$/))[1] ? m : j.input.length - j[0].length ||
            c == 1 && m ||
            j.input.length + (j = s.slice(m).match(/^\S*/)).input.length;
    return r.join("\n");
};
// POINT IN POLY
//+ Jonas Raoni Soares Silva
//@ http://jsfromhell.com/math/is-point-in-poly [rev. #0]

function isPointInPoly(poly, pt){
    for (var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i) 
        ((poly[i].y <= pt.y && pt.y < poly[j].y) || (poly[j].y <= pt.y && pt.y < poly[i].y)) &&
        (pt.x < (poly[j].x - poly[i].x) * (pt.y - poly[i].y) / (poly[j].y - poly[i].y) + poly[i].x) &&
        (c = !c);
    return c;
}

/*
 * Date Format 1.2.3
 * (c) 2007-2009 Steven Levithan <stevenlevithan.com>
 * MIT license
 *
 * Includes enhancements by Scott Trenda <scott.trenda.net>
 * and Kris Kowal <cixar.com/~kris.kowal/>
 *
 * Accepts a date, a mask, or a date and a mask.
 * Returns a formatted version of the given date.
 * The date defaults to the current date/time.
 * The mask defaults to dateFormat.masks.default.
 */
var dateFormat = function(){
    var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g, timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g, timezoneClip = /[^-+\dA-Z]/g, pad = function(val, len){
        val = String(val);
        len = len || 2;
        while (val.length < len) 
            val = "0" + val;
        return val;
    };
    
    // Regexes and supporting functions are cached through closure
    return function(date, mask, utc){
        var dF = dateFormat;
        
        // You can't provide utc if you skip other args (use the "UTC:" mask prefix)
        if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
            mask = date;
            date = undefined;
        }
        
        // Passing date through Date applies Date.parse, if necessary
        date = date ? new Date(date) : new Date;
        if (isNaN(date)) 
            throw SyntaxError("invalid date");
        
        mask = String(dF.masks[mask] || mask || dF.masks["default"]);
        
        // Allow setting the utc argument via the mask
        if (mask.slice(0, 4) == "UTC:") {
            mask = mask.slice(4);
            utc = true;
        }
        
        var _ = utc ? "getUTC" : "get", d = date[_ + "Date"](), D = date[_ + "Day"](), m = date[_ + "Month"](), y = date[_ + "FullYear"](), H = date[_ + "Hours"](), M = date[_ + "Minutes"](), s = date[_ + "Seconds"](), L = date[_ + "Milliseconds"](), o = utc ? 0 : date.getTimezoneOffset(), flags = {
            d: d,
            dd: pad(d),
            ddd: dF.i18n.dayNames[D],
            dddd: dF.i18n.dayNames[D + 7],
            m: m + 1,
            mm: pad(m + 1),
            mmm: dF.i18n.monthNames[m],
            mmmm: dF.i18n.monthNames[m + 12],
            yy: String(y).slice(2),
            yyyy: y,
            h: H % 12 || 12,
            hh: pad(H % 12 || 12),
            H: H,
            HH: pad(H),
            M: M,
            MM: pad(M),
            s: s,
            ss: pad(s),
            l: pad(L, 3),
            L: pad(L > 99 ? Math.round(L / 10) : L),
            t: H < 12 ? "a" : "p",
            tt: H < 12 ? "am" : "pm",
            T: H < 12 ? "A" : "P",
            TT: H < 12 ? "AM" : "PM",
            Z: utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
            o: (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
            S: ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
        };
        
        return mask.replace(token, function($0){
            return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
        });
    };
}();

// Some common format strings
dateFormat.masks = {
    "default": "ddd mmm dd yyyy HH:MM:ss",
    shortDate: "m/d/yy",
    mediumDate: "mmm d, yyyy",
    longDate: "mmmm d, yyyy",
    fullDate: "dddd, mmmm d, yyyy",
    shortTime: "h:MM TT",
    mediumTime: "h:MM:ss TT",
    longTime: "h:MM:ss TT Z",
    isoDate: "yyyy-mm-dd",
    isoTime: "HH:MM:ss",
    isoDateTime: "yyyy-mm-dd'T'HH:MM:ss",
    isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
    dayNames: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
    monthNames: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
};

// For convenience...
Date.prototype.format = function(mask, utc){
    return dateFormat(this, mask, utc);
};


//+ Carlos R. L. Rodrigues
//@ http://jsfromhell.com/array/sum [rev. #1]
//     var x = [1, 2, 3, 4, 5, 6, 7, 8, 9];
//     document.write("A = ", x, "<br />sum(A) = ", sum(x));

sum = function(o){
    for (var s = 0, i = o.length; i; s += o[--i]) 
        ;
    return s;
};

function timeCounter(time){
    var t = parseInt(time); // might not have to do this
    var days = parseInt(t / 86400);
    t = t - (days * 86400);
    var hours = parseInt(t / 3600);
    t = t - (hours * 3600);
    var minutes = parseInt(t / 60);
    t = t - (minutes * 60);
    var content = "";
    if (days) 
        content += days + " days";
    if (hours || days) {
        if (content) 
            content += ", ";
        content += hours + " hours";
    }
    // uncomment this to have min and seconds
    // if(content)content+=", "; content+=minutes+" minutes and "+t+" seconds.";
    
    // document.getElementById('result4').innerHTML = content;
    return (content);
}

function timeCounterLong(time){
    var t = parseInt(time); // might not have to do this
    var days = parseInt(t / 86400);
    t = t - (days * 86400);
    var hours = parseInt(t / 3600);
    t = t - (hours * 3600);
    var minutes = parseInt(t / 60);
    t = t - (minutes * 60);
    var content = "";
    if (days) 
        content += days + " days";
    if (hours || days) {
        if (content) 
            content += ", ";
        content += hours + " hours";
    }
    // uncomment this to have min and seconds
    if (content) 
        content += ", ";
    content += minutes + " minutes and " + t + " seconds.";
    
    // document.getElementById('result4').innerHTML = content;
    return (content);
}
