// JavaScript Document
function validar() {

var ext = new Array()
ext[0] = ".gif";
ext[1] = ".jpg";
ext[2] = ".jpeg";
ext[3] = ".doc";
ext[4] = ".htm";
ext[5] = ".pdf";
ext[6] = ".ppt";
ext[7] = ".pps";
ext[8] = ".txt";
ext[9] = ".xls";
ext[10] = ".zip";

extensao = document.send.anexo.value;
posicao = extensao.indexOf(".");
tamanho = extensao.length;
extensao = extensao.substring(posicao, tamanho);

var ok = false;

for (var i = 0; i < ext.length; ++i){
if (ext[i] == extensao){
ok = true;
}
}

return ok;

}


/*

function validar() {

var ext = new Array()
ext[0] = ".gif";
ext[1] = ".jpg";
ext[2] = ".jpeg";
ext[3] = ".doc";
ext[4] = ".htm";
ext[5] = ".pdf";
ext[6] = ".ppt";
ext[7] = ".pps";
ext[8] = ".txt";
ext[9] = ".xls";
ext[10] = ".zip";

extensao = document.frmInserir.Arquivo.value;
posicao = extensao.indexOf(".");
tamanho = extensao.length;
extensao = extensao.substring(posicao, tamanho);

valida = 0;
for (var i = 0; i < ext.length; ++i){
if (ext[i] == extensao){
valida = 1;
}
} 
}
*/