function caja(a,c,w){
	if(c!=''){c=' bgcolor="'+c+'" '}
	if(w!=''){w=' width="'+w+'" '}
	if(a=='a'){
		document.write('<table'+c+w+' border="0" cellpadding="0" cellspacing="0"><tr><td width="8"><img src="/imagen/_csi.gif" width="8" height="8" alt=""></td><td background="/imagen/_csc.gif"><img src="/imagen/0.gif" width="1" height="1" alt=""></td><td width="8"><img src="/imagen/_csd.gif" width="8" height="8" alt=""></td></tr><tr><td background="/imagen/_cli.gif"><img src="/imagen/0.gif" width="1" height="1" alt=""></td><td>')}
	else{
		document.write('</td><td background="/imagen/_cld.gif"><img src="/imagen/0.gif" width="1" height="1" alt=""></td></tr><tr><td width="8"><img src="/imagen/_cii.gif" width="8" height="8" alt=""></td><td background="/imagen/_cic.gif"><img src="/imagen/0.gif" width="1" height="1" alt=""></td><td width="8"><img src="/imagen/_cid.gif" width="8" height="8" alt=""></td></tr></table>')
	}
}