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Rev Author Line No. Line
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1646 runge 2 
function array_length(array)
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{
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    var count = 0;
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    for (var n in array)
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    {
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        count++;
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    }
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    return count;
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}
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function in_array(array, item)
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{
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    for (var n in array)
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    {
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        if (array[n] == item)
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        {
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            return true;
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        }
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    }
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    return false;
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}
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function key_in_array(array, key)
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{
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    for (var n in array)
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    {
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        if (n == key)
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        {
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            return true;
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        }
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    }
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    return false;
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}
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1603 runge 40 
String.prototype.ltrim = function(charlist)
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{
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    charlist = !charlist ? ' \s\xA0' : charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\$1');
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    var re = new RegExp('^[' + charlist + ']+', 'g');
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    return this.replace(re, '');
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}
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String.prototype.rtrim = function(charlist)
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{
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    charlist = !charlist ? ' \s\xA0' : charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '\$1');
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    var re = new RegExp('[' + charlist + ']+$', 'g');
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    return this.replace(re, '');
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}
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String.prototype.trim = function(charlist)
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{
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    var str = this.ltrim(charlist);
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    return str.rtrim(charlist);
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}