function trim(s)
{
	var rs = "";
	
	for(i = 0; i < s.length; i++)
	{
		if(s.charAt(i) != " ")
			break;
	}

	for(i2 = s.length-1; i2 > 0; i2--)
	{
		if(s.charAt(i2) != " ")
			break;
	}
	i2 += 1;
	
	rs = s.substring(i, i2);
	
	return rs;
}

function strip_special(s)
{
	strok = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ()<>.,:;\"!?-+=_@#/ αινσφυϊόϋΑΙΝΣΦΥΪάΫ";
	strout = "";
	
	for(i = 0; i < s.length; i++)	
	{
		if(strok.indexOf(s.charAt(i)) != -1 || s.charAt(i) == "\n")
			strout += s.charAt(i);
	}
	
	return strout;
}