function Hash()
{
	this.length = 0;
	this.items = [];
	for (var i = 0; i < arguments.length; i += 2) {
		if (typeof(arguments[i + 1]) !== 'undefined') {
			this.items[arguments[i]] = arguments[i + 1];
			this.length+=1;
		}
	}
   
	this.removeItem = function(in_key)
	{
		var tmp_previous;
		if (typeof(this.items[in_key]) !== 'undefined') {
			this.length-=1;
			tmp_previous = this.items[in_key];
			delete this.items[in_key];
		}
	   
		return tmp_previous;
	};

	this.getItem = function(in_key) {
		return this.items[in_key];
	};

	this.setItem = function(in_key, in_value)
	{
		var tmp_previous;
		if (typeof(in_value) !== 'undefined') {
			if (typeof(this.items[in_key]) === 'undefined') {
				this.length+=1;
			}
			else {
				tmp_previous = this.items[in_key];
			}

			this.items[in_key] = in_value;
		}
	   
		return tmp_previous;
	};

	this.hasItem = function(in_key)
	{
		return typeof(this.items[in_key]) !== 'undefined';
	};

	this.clear = function()
	{
		for (var i in this.items) {
			delete this.items[i];
		}

		this.length = 0;
	};
}

function FormatNumber(num,decimalNum,bolLeadingZero,bolParens,bolCommas)
/**********************************************************************
	IN:
		NUM - the number to format
		decimalNum - the number of decimal places to format the number to
		bolLeadingZero - true / false - display a leading zero for
										numbers between -1 and 1
		bolParens - true / false - use parenthesis around negative numbers
		bolCommas - put commas as number separators.
 
	RETVAL:
		The formatted number!
 **********************************************************************/
{ 
        if (isNaN(parseInt(num))) return "NaN";

	var tmpNum = num;
	var iSign = num < 0 ? -1 : 1;		// Get sign of number
	
	// Adjust number so only the specified number of numbers after
	// the decimal point are shown.
	tmpNum *= Math.pow(10,decimalNum);
	tmpNum = Math.round(Math.abs(tmpNum))
	tmpNum /= Math.pow(10,decimalNum);
	tmpNum *= iSign;					// Readjust for sign
	
	
	// Create a string object to do our formatting on
	var tmpNumStr = new String(tmpNum);

	// See if we need to strip out the leading zero or not.
	if (!bolLeadingZero && num < 1 && num > -1 && num != 0)
		if (num > 0)
			tmpNumStr = tmpNumStr.substring(1,tmpNumStr.length);
		else
			tmpNumStr = "-" + tmpNumStr.substring(2,tmpNumStr.length);
		
	// See if we need to put in the commas
	if (bolCommas && (num >= 1000 || num <= -1000)) {
		var iStart = tmpNumStr.indexOf(".");
		if (iStart < 0)
			iStart = tmpNumStr.length;

		iStart -= 3;
		while (iStart >= 1) {
			tmpNumStr = tmpNumStr.substring(0,iStart) + "," + tmpNumStr.substring(iStart,tmpNumStr.length)
			iStart -= 3;
		}		
	}

	// See if we need to use parenthesis
	if (bolParens && num < 0)
		tmpNumStr = "(" + tmpNumStr.substring(1,tmpNumStr.length) + ")";

	return tmpNumStr.toString();		// Return our formatted string!
};

String.format = function( text )
{
    //check if there are two arguments in the arguments list
    if ( arguments.length <= 1 )
    {
        //if there are not 2 or more arguments there’s nothing to replace
        //just return the original text
        return text;
    }
    //decrement to move to the second argument in the array
    var tokenCount = arguments.length - 2;
    for( var token = 0; token <= tokenCount; token++ )
    {
        //iterate through the tokens and replace their placeholders from the original text in order
        text = text.replace( new RegExp( "\\{" + token + "\\}", "gi" ),
                                                arguments[ token + 1 ] );
    }
    return text;
};