/*var lines = $$('div.new_line');
if(lines.length > 0)
{
	var num_lines = (21*lines.length)+20;
	if( $('discussion_box') )
		$('discussion_box').setStyle({height:num_lines+'px'});
}*/	

var lines = jQuery('div.new_line');
if(lines.length > 0)
{
	var num_lines = (21*lines.length)+20;
	if( jQuery('#discussion_box') )
		jQuery('#discussion_box').css( "height", num_lines+'px');
}