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Validating
E-mail Addressing
By validating E-mail addressing, you can help the user to enter
the correct & appropriate address.
<HTML>
<HEAD>
<TITLE>E-mail Address Validation </TITLE>
<SCRIPT LANGUAGE=JAVASCRIPT>
function validemail(mail)
{
inValidChars=" /:,;"
if (mail == "")
{
return false
}
for(i=0;i<inValidChars.length;i++)
{
badChar=inValidChars.charAt(i)
if(mail.indexOf(badChars,0) != -1)
{
return false
}
}
atPos=mail.indexOf("@",1)
if(mail.indexOf("@",atPos+1) != -1)
{
return false
}
periodPos=mail.indexOf(".",atPos)
if(periodPos == -1)
{
return false
}
if(periodPos+3>mail.length)
{
return false
}
return true
}
function submitIt(form)
{
if(!validmail(form.emailAddr.value))
{
alert("Invalid E-mail Address")
form.emailAddr.focus()
form.emailaddr.select()
return false
}
return true
}
</SCRIPT>
</HEAD>
<BODY BGCOLOR=WHITE onload="cycle()">
<CENTER><IMG SRC=banner1.gif"
WIDTH="400" HEIGHT="75" NAME="adBanner"></CENTER>
</BODY>
</HTML>
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