var allcells = document.getElementsByTagName('tr'); 

function tr_mouseover(tr) { 
	if (!tr.jlatched) tr.className = 'jover'; 
} 

function tr_mouseout_one(tr) { 
	if (!tr.jlatched) tr.className = 'jone'; 
	else tr.className = 'jlatched'; 
}

function tr_mouseout_two(tr) { 
	if (!tr.jlatched) tr.className = 'jtwo'; 
	else tr.className = 'jlatched'; 
} 

function tr_mouseout(tr) { 
	if (!tr.jlatched) tr.className = 'jout'; 
	else tr.className = 'jlatched'; 
}  

function tr_click_one(tr) { 
	var c = 0; 
	while (cell = allcells.item(c++)) 
	if (cell != tr) { 
		cell.className = cell.id; cell.jlatched = false; 
	} else { 
		tr.className = 'jlatched'; tr.jlatched = true; 
	} 
	return true;
} 

function tr_click_two(tr) { 
	var c = 0; 
	while (cell = allcells.item(c++)) 
	if (cell != tr) { 
		cell.className = cell.id; cell.jlatched = false; 
	} else { 
		tr.className = 'jlatched'; tr.jlatched = true; 
	}
	return true;
}