// used to show hide rows
var theRow = false;
	    
function toggle(row)
{
	if (theRow==row) {
		document.getElementById(theRow).style.display='none';
		theRow = false;
		return false;
	}
	if (theRow) document.getElementById(theRow).style.display='none';
	document.getElementById(row).style.display='';
	theRow = row;
	return false;
}