Kamis, 23 April 2009

tgas


















<html>









ni scriptnya :

<html>

<body>


<script language="JavaScript">


function chkuname()

{

uname=new String();

uname=document.regis.uname.value

if ( uname.length == 0 )

{

alert ("Enter a User Name");

}

else

{

chkupass()

}

}

function chkupass()

{

upass=new String();

upass=document.regis.upass.value

if (upass.length < 5)

{

alert ("Password Must be atleast 6 Chars");

}

else

{

chkname()

}

}


function chkname()

{

var ch=0;

name=new String();

name=document.regis.name.value;

if (name.length==0)

alert ("Enter your Name")

else

{

u=0;

for (i=0;i<name.length;i++)

{

if ((name.charCodeAt(i) >= 64 && name.charCodeAt(i) <= 90)||(name.charCodeAt(i) >= 97 && name.charCodeAt(i) <= 122)||(name.charCodeAt(i)==46)||(name.charCodeAt(i)==32))

{

}

else

{

u=u+1;

}

}

if (u>0)

{

alert ("Invalid Name");

}

else

{

chkdob()

}

}

}


function chkdob()

{

dob=new String();

dob=document.regis.dob.value

if (dob.length!=10)

alert ("Invalid Date")

else

{

if (dob.charAt(2)!="/" && dob.charAt(5)!="/")

alert ("Invalid Date Format")

else

tempstr=dob.split("/")

dd=tempstr[0]

mm=tempstr[1]

yy=tempstr[2]

if (dd>=1 && dd<=31 && mm>=1 && mm<=12 && yy>=1900 && yy<=2004 )

{

chkemail()

}

else

alert ("Enter Valid date")

}

}


function chkemail()

{

mail=new String();

mail=document.regis.email.value

if (mail.length<1)

alert("Please enter e-mail address.");

else

{

at_pos=mail.indexOf("@")

dot_pos=mail.indexOf(".")

if(at_pos<1 || dot_pos<1)

alert("Missing '@' and '.' in email address.")

else

{

u=0;

p=0;

for(var i=0;i<mail.length;i++)

{

if ((mail.charCodeAt(i) >= 64 && mail.charCodeAt(i) <= 90)||(mail.charCodeAt(i) >= 97 && mail.charCodeAt(i) <= 122)||(mail.charCodeAt(i) >= 48 && mail.charCodeAt(i) <= 57)||(mail.charCodeAt(i)==95)||(mail.charCodeAt(i)==46))

{

if(mail.charAt(i)=="@")

p=p+1

}

else

{

u=u+1

}

}

if (p>1)

alert ("Email must have only one '@'")

if (u>0)

alert ("Special Characters are not allowed")

}

}

}


</script>


<form name="regis">

User Name : <input type="text" name="uname" size="20">

<br>

Password : <input type="password" name="upass" size="20">

<br>

Name : <input type="text" name="name" size="20">

<br>

DOB (DD/MM/YYYY): <input type="text" name="dob" size="8">

<br>

Email : <input type="text" name="email" size="20">

<br>

<input type="button" value="Submit" onclick="chkuname()" name="sub">

</form>

</body>

</html>


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