function clearDefault(el) {
if (el.defaultValue==el.value) el.value = ""
}

function checkElements() {
var z = document.forms["regu"];
var nimi = z.elements.nimi.value;
var enimi = z.elements.enimi.value;
var pnimi = z.elements.pnimi.value;
var email = z.elements.email.value;

var vv = document.regu.vv;
var sugu = document.regu.sugu;
var too = document.regu.too;
var vanus = document.regu.vanus;
var keel = document.regu.keel;
var haridus = document.regu.haridus;


var error_1 = "Palun sisestage ettevotte juriidiline nimi:!";
var error_2 = "Palun sisestage e-posti aadress!";
var error_3 = "Palun sisestage korrektne e-posti aadress!";
var error_4 = "Palun sisestage eesnimi!";
var error_5 = "Palun sisestage perekonnanimi!";
var error_6 = "Kas osalete vastuvotul?";
var error_7 = "Palun märkige sugu!";
var error_8 = "Palun märkige staatus!";
var error_9 = "Palun märkige vanus!";
var error_10 = "Palun märkige keel!";
var error_11 = "Palun märkige haridus!";

                
if (enimi == "") 
        {
         alert(error_4); 
        return false;
        } 

if (pnimi == "") 
        {
         alert(error_5); 
        return false;
        } 


if (email == "") 
        {
         alert(error_2); 
        return false;
        } 

if (z.elements.email.value.indexOf("@")==-1 || z.elements.email.value.indexOf(".")==-1 || z.elements.email.value.length<6) {
alert(error_3);
return false;
}

if (nimi == "") 
        {
         alert(error_1); 
        return false;
        } 

vvOption = -1;

for (i=vv.length-1; i > -1; i--) {
if (vv[i].checked) {
vvOption = i; i = -1;
}
}
if (vvOption == -1) {
 alert(error_6); 
 return false;
}

suguOption = -1;

for (i=sugu.length-1; i > -1; i--) {
if (sugu[i].checked) {
suguOption = i; i = -1;
}
}
if (suguOption == -1) {
 alert(error_7); 
 return false;
}

tooOption = -1;

for (i=too.length-1; i > -1; i--) {
if (too[i].checked) {
tooOption = i; i = -1;
}
}
if (tooOption == -1) {
 alert(error_8); 
 return false;
}

vanusOption = -1;

for (i=vanus.length-1; i > -1; i--) {
if (vanus[i].checked) {
vanusOption = i; i = -1;
}
}
if (vanusOption == -1) {
 alert(error_9); 
 return false;
}

keelOption = -1;

for (i=keel.length-1; i > -1; i--) {
if (keel[i].checked) {
keelOption = i; i = -1;
}
}
if (keelOption == -1) {
 alert(error_10); 
 return false;
}

haridusOption = -1;

for (i=haridus.length-1; i > -1; i--) {
if (haridus[i].checked) {
haridusOption = i; i = -1;
}
}
if (haridusOption == -1) {
 alert(error_11); 
 return false;
}


}