var kr1 = /[$\ \@\\\#%\^\&\*\(\)\/\[\]\+\_\{\}\`\~\=\|\"\'\;\:\,\.\!\?\<\>\-\a-z\A-Z]/;
var krJdlPgrm = /[@\\\#\^\&\*\(\)\/\[\]\+\_\{\}\`\~\=\|\"\'\;\<\>]/;

function pengirim(fnP) {
if(fnP.username.value.length == 0){ 
alert("Masukkan Nama Anda   ");
return false; } 
if(fnP.username.value.length <3){ 
alert("Nama paling sedikit 3 karakter   ");
return false; } 
if(fnP.username.value.search(krJdlPgrm) >= 0){ 
alert("Nama ada karakter invalid   ");
return false; } 
return true;
}

function phon(fph) {
if(fph.hp.value.search(kr1) >= 0){
alert("No. HP/Telp. ada karakter bukan angka   ");
return false; }
// jika no hp/telp wajib diisi aktifkan kondisi di bawah ini
/*if(fph.hp.value.length == 0){
alert("Silahkan masukkan no hp/telp   ");
return false; }
*/
if(fph.hp.value.length > 0 && fph.hp.value.length <6){
alert("No. HP/Telp. paling sedikit 6 angka   ");
return false; }
return true;
}

function emai_b(feb){
if(feb.email.value.length == 0){
alert("Silahkan masukkan alamat Email   ");
return false;}
if(!emailCheck(feb.email.value))
return false; 
return true;
}

function validateDftr(fD) {
if(pengirim(fD)==false)return false;
if(phon(fD)==false)return false;
if(emai_b(fD)==false)return false;
return true;
}