function byId(id)
{
	var ctlSomething = document.getElementById(id);
	return ctlSomething; 
}

function trim(text)
{
	if (text)
	{
		var index = 0;
		var at = text.charAt(index);
		while (index < text.length && (at == " " || at == "\t" || at == "\r" || at == "\n"))
		{
			index ++;
			at = text.charAt(index);
		}
		var starts = index;

		index = text.length - 1;
		at = text.charAt(index);
		while (index >= 0 && (at == " " || at == "\t" || at == "\r" || at == "\n"))
		{
			index --;
			at = text.charAt(index);
		}
		var ends = index;

		if (ends > starts)
		{
			return text.substring(starts, ends + 1);
		}
		else
		{
			return "";
		}
	}
	else
	{
		return null;
	}		
}