var selected;
var selected_row;
var success=false;

function mark_row(row,c,id,action,oldclass,formname)
{
	idfield = c + "id";

	switch(action)
	{
		case "over":	if(selected != id)	row.className='overrow';
						break;
						
		case "out":		if(selected != id)	row.className=oldclass;
						break;
						
		case "click":	if(selected != id)
						{
							row.className='selectedrow';
//							document.mainform.elements[idfield].value = id;
							if(selected_row)	selected_row.className = oldclass;
							success = true;
							selected = id;
							selected_row = row;
						}
						else
						{
							row.className='overrow';
//							document.mainform.elements[idfield].value = null;
							success = false;
							selected = -1;
							selected_row = null;
						}
						break;
	}
	return(success);
}