selval = new Array(36);
selval[0] = "phr1.htm";
selval[1] = "phr2.htm";
selval[2] = "phr3.htm";
selval[3] = "cto1.htm";
selval[4] = "cto2.htm";
selval[5] = "brgo1.htm";
selval[6] = "brgo2.htm";
selval[7] = "ojo1.htm";
selval[8] = "esc1.htm";
selval[9] = "esc2.htm";
selval[10] = "esc3.htm";
selval[11] = "rio1.htm";
selval[12] = "rio2.htm";
selval[13] = "cem1.htm";
selval[14] = "ars1.htm";
selval[15] = "frtn1.htm";
selval[16] = "cdba1.htm";
selval[17] = "cdba2.htm";
selval[18] = "cdba3.htm";
selval[19] = "cdba4.htm";
selval[20] = "xpa1.htm";
selval[21] = "xpa2.htm";
selval[22] = "xpa3.htm";
selval[23] = "xpa4.htm";
selval[24] = "xpa5.htm";
selval[25] = "xpa6.htm";
selval[26] = "xpa7.htm";
selval[27] = "xpa8.htm";
selval[28] = "vcrz1.htm";
selval[29] = "vcrz2.htm";
selval[30] = "xom1.htm";
selval[31] = "zng1.htm";
selval[32] = "zng2.htm";
selval[33] = "zng3.htm";
selval[34] = "zng4.htm";
selval[35] = "../vcrz.htm";

function gonext(idx)
{   var ix1 = idx;
    if (ix1 < 0) {ix1 = document.selform.select1.selectedIndex;}
    top.location = selval[ix1];
}