function rowmarkerAttach(tds)
{
	var tagname=tds?'td':'tr';
	var	trs = document.getElementsByTagName(tagname);
	for (var i=0; i<trs.length; i++)
	{
		if (trs[i].getAttribute('mwhi')=='true')
		{
			trs[i].onmouseover = marktr;
			trs[i].onmouseout = unmarktr;
		}
	}
}

function marktr(el)
{
	if (!el) el = this;
	el.origClassname = el.className?el.className:'';
	el.className = el.origClassname+' hirow';
}

function unmarktr(el)
{
	if (!el) el = this;
	el.className = el.origClassname;
}