function toggleRow()
{
	obj=document.getElementById(arguments[0]).style;
	obj.display=((obj.display=='inline')?'none':'inline');
}
function AddFilterFields(prefix)
{
	field_area=document.getElementById(prefix+'_filter_fields');
	foot_area=document.getElementById(prefix+'_foot');
	foot_area.innerHTML=field_area.innerHTML;
}