function tr_swaperon(idn){
	imgnm = idn.name+"_on.gif";
	idn.src = "/Extranet/static/tr/images/"+imgnm;
}
function tr_swaperoff(idn){
	imgnm = idn.name+"_off.gif";
	idn.src = "/Extranet/static/tr/images/"+imgnm;
}