Form validation html and javascript
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<style>
.main
{
height:auto;//100px;
width:300px;
//border:1px solid #FF0000;
}
.msg
{
height:20px;
width:200px;
//border:1px solid black;
color:red;
display:none;
}
</style>
<script language="javascript" type="text/javascript">
function hide()
{
document.getElementById('m').style.display="none";
document.getElementById('m1').style.display="none";
}
function check()
{
var f=document.getElementById('fn').value;
var l=document.getElementById('ln').value;
if(f=="")
{
document.getElementById('m').style.display="block";
document.getElementById('m').innerHTML="Enter First Name";
return false;
}
if(l=="")
{
document.getElementById('m1').style.display="block";
document.getElementById('m1').innerHTML="Enter Second Name";
return false;
}
}
</script>
</head>
<body>
<div class="main">
<center
<form>
F Name:<input type="text" id="fn" onfocus="hide()"/><br />
<div class="msg" id="m"> </div>
L Name:<input type="text" id="ln" onfocus="hide()"/><br />
<div class="msg" id="m1"> </div>
<input type="submit" id="su" value="Submit" onclick="check()"/><br/
</center>
</form>
</div>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<style>
.main
{
height:auto;//100px;
width:300px;
//border:1px solid #FF0000;
}
.msg
{
height:20px;
width:200px;
//border:1px solid black;
color:red;
display:none;
}
</style>
<script language="javascript" type="text/javascript">
function hide()
{
document.getElementById('m').style.display="none";
document.getElementById('m1').style.display="none";
}
function check()
{
var f=document.getElementById('fn').value;
var l=document.getElementById('ln').value;
if(f=="")
{
document.getElementById('m').style.display="block";
document.getElementById('m').innerHTML="Enter First Name";
return false;
}
if(l=="")
{
document.getElementById('m1').style.display="block";
document.getElementById('m1').innerHTML="Enter Second Name";
return false;
}
}
</script>
</head>
<body>
<div class="main">
<center
<form>
F Name:<input type="text" id="fn" onfocus="hide()"/><br />
<div class="msg" id="m"> </div>
L Name:<input type="text" id="ln" onfocus="hide()"/><br />
<div class="msg" id="m1"> </div>
<input type="submit" id="su" value="Submit" onclick="check()"/><br/
</center>
</form>
</div>
</body>
</html>
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