<FORM METHOD=POST ACTION="" name="slum">
<INPUT TYPE="text" NAME="a">
<INPUT TYPE="text" NAME="b">
<INPUT TYPE="button" value="click" onclick="check()">
<SCRIPT LANGUAGE="JavaScript">
<!--
function check()
{
var str1=parseInt(document.slum.a.value)
var str2=parseInt(document.slum.b.value)
if(str1>str2)
{
alert("first one is more than second one")
}
else if (str1<str2)
{
alert()
}
}
//-->
</SCRIPT>
</FORM>