var l=new Array()
l={
11:["ANGRA REIS","0v3d6z157901"],
31:["CAMPO GRANDE","0b"],
271:["FRADE","01"],
161:["ITACURUCA","01"],
121:["ITAGUAI","0b6z0l"],
81:["MANGARATIBA","01"],
251:["NITEROI","0b7j3d0l5b"],
41:["NOVA IGUACU","0b"],
21:["PARATI","0b3d6z01"],
261:["PASSA TRES","0b6f01"],
231:["RIO CLARO","7901"],
1:["RIO JANEIRO","0b7j4h290l796f5b"],
191:["VILA OPERARIA","01"]
}

var dl=document.deshas.txt_desde
var hl=document.deshas.txt_hasta

for (i in l)
	if (l[i][1]!="")
		dl.options[dl.options.length]=new Option(l[i][0],i)

dl.value=1
updatehasta(1)

function updatehasta(desde){
        hl.options.length=0
        for (i=0; i<l[desde][1].length; i+=2) {
                n=parseInt(l[desde][1].substring(i,i+2),36);
                hl.options[hl.options.length]=new Option(l[n][0], n)
        }
}