function textCounter (field, countfield, maxlimit)
{
if (field.value.length> maxlimit)
{field.value=field.value.substring(0, maxlimit);}
else
{countfield.value=maxlimit - field.value.length;}
}
function checkemail (emailStr)
{
var checkTLD=1;
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray===null)
{
alert("E-mail je netačan");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("E-mail je netačan");
return false;
}
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("E-mail je netačan");
return false;
}
}
if (user.match(userPat)===null)
{
alert("E-mail je netačan");
return false;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!==null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("E-mail je netačan");
return false;
}
}
return true;
}
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split (".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("E-mail je netačan");
return false;
}
}
if (checkTLD && domArr[domArr.length-1].length!=2 &&
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("E-mail je netačan");
return false;
}
if (len<2) {
alert("E-mail je netačan");
return false;
}
return true;
}