function hintInInput(input, txt) {

	if(typeof(input)=='string') input = $(input);

	if(!txt) txt = input.value;

	

	clearField = function(){

		if (input.value == txt) input.value = '';

	};

	Event.observe(input, 'focus', clearField);

	

	fillField = function(){

		if (input.value == '' && !this.focused) input.value = txt;

	};

	Event.observe(input, 'blur', fillField);

	

	return { 'clearField': clearField, 'fillField': fillField };

}

//---------------------------------------------------------------------------