function createXMLHttpRequest()
{
	if (window.ActiveXObject)
		xmlHttpObject = new ActiveXObject('Microsoft.XMLHTTP');
	else
		xmlHttpObject = new XMLHttpRequest();

	return xmlHttpObject;
}

function ltrim(str)
{
	var whitespace = new String(" \t\n\r");
	var s = new String(str);
	if (whitespace.indexOf(s.charAt(0)) != -1)
	{
		var j=0, i = s.length;
		while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
			j++;
		s = s.substring(j, i);
	}
	return s;
}

function rtrim(str)
{
	var whitespace = new String(" \t\n\r");
	var s = new String(str);
	if (whitespace.indexOf(s.charAt(s.length-1)) != -1)
	{
		var i = s.length - 1;
		while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
			i--;
		s = s.substring(0, i+1);
	}
	return s;
}

function trim(str)
{
	return rtrim(ltrim(str));
}

function replace(str, search, replace)
{
	var intIndexOfMatch = str.indexOf(search);
	while (intIndexOfMatch != -1)
	{
		str = str.replace(search, replace)
		intIndexOfMatch = str.indexOf(search);
	}
	return str;
}