= 1 character before @, so we
// start looking at character position 1
// (i.e. second character)
var i = 1;
var sLength = s.length;
// look for @
while ((i = sLength) || (s.charAt(i) != “@”)) return false;
else i += 2;
// look for .
while ((i = sLength – 1) || (s.charAt(i) != “.”)) return false;
else return true;
}
// Check whether string s is empty.
function isEmpty(s)
{
return ((s == null) || (s.length == 0))
}
// Returns true if string s is empty or
// whitespace characters only.
function isWhitespace(s)
{
var i;
// Is s empty?
if (isEmpty(s)) return true;
// Search through string’s characters one by one
// until we find a non-whitespace character.
// When we do, return false; if we don’t, return true.
for (i = 0; i < s.length; i++)
{
// Check that current character isn't whitespace.
var c = s.charAt(i);
if (whitespace.indexOf(c) == -1) return false;
}
// All characters are whitespace.
return true;
}
function checkForm() {
z=0;
celements=document.getElementsByName('lid');
for (c=0;c<celements.length;c++){
if (celements[c].checked){
z=z+1;
}
}
if (z
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