function inputFocus(field)
{
	if (field.value == field.defaultValue)
	{
		field.value = '';
	}
	
	field.className = "input-value";
}

function inputBlur(field)
{
	if (field.value == '')
	{
		field.value = field.defaultValue;
		field.className = "input-default";
	}
	else
	{
		field.className = "input-value";
	}
}