Hii BrainChild!!
<script>
function callme()
{
var myString = document.form1.textfield.value;
myString=trim (myString)
if(myString=="")
{
alert("Please Enter The Value")
document.form1.textfield.focus();
}
else if(isNaN(myString))
{
alert("Please Enter The Numeric Value")
document.form1.textfield.focus();
}
else if(parseFloat(myString)>50)
{
alert("Please Enter The Value Less Then Or Equal To 50")
document.form1.textfield.focus();
}
}
function ltrim ( s )
{
return s.replace( /^\s*/, "" );
}
function rtrim ( s )
{
return s.replace( /\s*$/, "" );
}
function trim ( s )
{
return rtrim(ltrim(s));
}
</script>
<form name=form1>
<input type=text name=textfield>
<input type=button name=btnName value="call" onclick="callme()">
</form>
Cheers :)
vinod
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