function $(id)
{
	return document.getElementById(id);
}

function trim(string)
{
	for(var i = 0; i < string.length; i++)
	{
		if(string.charAt(i) != ' ' && string.charAt(i) != '\\n' && string.charAt(i) != '\\t' && string.charAt(i) != '\\r')
		{
			string = string.substring(i, string.length);
			break;
		}
	}
	for(var i = string.length-1; i >= 0; i--)
	{
		if(string.charAt(i) != ' ' && string.charAt(i) != '\\n' && string.charAt(i) != '\\t' && string.charAt(i) != '\\r')
		{
			string = string.substring(0, i+1);
			break;
		}
	}
	return string;
}