function IsEmpty(o){
	var	length = o.value.length;
	var text = "";

	for (var position=0; position<length; position++){
		if (o.value.substring(position, (position+1)) != " "){
			text = text + o.value.substring(position, (position+1));
		}
	}

	if (text.length > 0)
		return false;
	else
		return true;	
}