// JavaScript Document
function isEmail(item) {
var at="@"
var dot="."
var lat=item.indexOf(at)
var litem=item.length
var ldot=item.indexOf(dot)
if (item.indexOf(at)==-1) return false;	
if (item.indexOf(at)==-1 || item.indexOf(at)==0 || item.indexOf(at)==litem) return false;
if (item.indexOf(dot)==-1 || item.indexOf(dot)==0 || item.indexOf(dot) >= litem - 2) return false;
if (item.indexOf(at,(lat+1))!=-1) return false;
if (item.substring(lat-1,lat)==dot || item.substring(lat+1,lat+2)==dot) return false;
if (item.indexOf(dot,(lat+2))==-1) return false;
if (item.indexOf(" ")!=-1) return false;
return true	
}
function isTel(item){
	if(/[^0-9-\)\(\+\s]/.exec(item) || item.length<7)
	return false;
	else return true;
}
function checkform() {
	var error='';
if (document.forms['webmail'].realname.value=='') {
	error+='Please, write your name!\n'; }
else false;
if (document.forms['webmail'].email.value=='') {
	error+='Please, write your E-mail!\n'; }
else false;
if (document.forms['webmail'].email.value!='' && isEmail(document.forms['webmail'].email.value)==false) {
	error+='Please, check E-mail field!\n'; }
else false;
if (document.forms['webmail'].phone.value=='') {
	error+='Please, write your phone!'; }
else false;
if (document.forms['webmail'].phone.value!='' && isTel(document.forms['webmail'].phone.value)==false) {
	error+='Please, check phone field!\n'; }
else false;
 if (error!='')
 {
  alert(error);
 } else {
  document.forms['webmail'].submit();
 }
}