var is_cleared = new Array();

function clearInput( input_box, box_name )
{
	if(!is_cleared[box_name])
	{
		input_box.value = '';
		is_cleared[box_name] = true;
	}
}

function clearTextarea( textarea, box_name )
{
	if(!is_cleared[box_name])
	{
		textarea.innerHTML = '';
		is_cleared[box_name] = true;
	}
}