Mega Code Archive
Validate an input field with minimum and maximum values
<![CDATA[
<html>
<head>
<script type="text/javascript">
function validate(){
x=document.myForm
txt=x.myInput.value
if (txt>=1 && txt<=5) {
return true
}else{
alert("Must be between 1 and 5")
return false
}
}
</script>
</head>
<body>
<form name="myForm" action="http://www.rntsoft.com" onsubmit="return validate()">
Enter a value from 1 to 5:
<input type="text" name="myInput" size="20">
<input type="submit" value="Submit">
</form>
</body>
</html>
]]>