//      This program is free software; you can redistribute it and/or modify
//      it under the terms of the GNU General Public License as published by
//      the Free Software Foundation; either version 2 of the License, or
//      (at your option) any later version.
//
//      This program is distributed in the hope that it will be useful,
//      but WITHOUT ANY WARRANTY; without even the implied warranty of
//      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//      GNU General Public License for more details.
//
//      You should have received a copy of the GNU General Public License
//      along with this program; if not, write to the Free Software
//      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
//      MA 02110-1301, USA.



function IsNumeric(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}

/*
 * utility modifying the Object prototype
 * to get its lenght
 */
Object.size = function(obj) {
    var size = 0, key;
    for (key in obj) {
        if (obj.hasOwnProperty(key)) size++;
    }
    return size;
};
/*
 * utility returning a list
 * from the values of a given object
 */
Object.values = function(obj) {
    var values = new Array();
    for (key in obj) {
        values.push(obj[key]);
    }
    return values;
};

function decodeJSON(encvalue) {
    if (encvalue !== undefined)
        return decodeURIComponent(encvalue).replace(/\+/g, " ").replace(/%21/g, "!").replace(/%27/g, "'").replace(/%28/g, "(").replace(/%29/g, ")").replace(/%2A/g, "*");
    else
        return "";
};


/* useful for fullscreen mode */

function getScreenWidth() {
    var x = 0;
    if (self.innerHeight) {
            x = self.innerWidth;
    }
    else if (document.documentElement && document.documentElement.clientHeight) {
            x = document.documentElement.clientWidth;
    }
    else if (document.body) {
            x = document.body.clientWidth;
    }
    return x;
}

/* useful for fullscreen mode */
function getScreenHeight() {
    var y = 0;
    if (self.innerHeight) {
        y = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight) {
        y = document.documentElement.clientHeight;
    }
    else if (document.body) {
        y = document.body.clientHeight;
    }

    return y;
}

var resize = function() {
        var infoDivWidth = 390;

        var size = { w: getScreenWidth() - infoDivWidth - 55,
                      h: getScreenHeight() - $("#hd").height() - $("#ft").height() - 60 };
                      
        $("#appletdiv").css('width', size.w);
        $("#infodiv").css('width', infoDivWidth);
        $("#infodivparent").css('height', size.h);
        return size;
};

function getUrlVars()
{
    var vars = [], hash;
    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
    for(var i = 0; i < hashes.length; i++)
    {
        hash = hashes[i].split('=');
        vars.push(hash[0]);
        vars[hash[0]] = hash[1];
    }
    return vars;
}