Thanks guys i found the solution fot it
The sample code i used is
<HTML>
<FORM>
<INPUT type="text" name="date1" size=12>
<INPUT type="text" name="date2" size=12>
<input type="button" name="Check" value="Check" onClick="checkDate()">
</FORM>
<SCRIPT language="javascript">
function checkDate(){
var datevalue1=document.forms[0].date1.value;
var datevalue2=document.forms[0].date2.value;
var day1=datevalue1.substring(0,2);
var month1=datevalue1.substring(3,6);
var year1=datevalue1.substring(7,11);
var day2=datevalue2.substring(0,2);
var month2=datevalue2.substring(3,6);
var year2=datevalue2.substring(7,11);
month1=changeFormatStringtoNumber(month1);
month2=changeFormatStringtoNumber(month2);
var d1=new Date(year1,month1,day1);
var d2=new Date(year2,month2,day2);
if(d1>d2)
alert ("DATE1");
else
alert("DATE2");
}
function changeFormatStringtoNumber(monthval){
if(monthval=="JAN"){
monthval=0;
}
else if (monthval=="FEB") {
monthval=1;
}
else if (monthval=="MAR") {
monthval=2;
}
else if (monthval=="APR") {
monthval=3;
}
else if (monthval=="MAY") {
monthval=4;
}
else if (monthval=="JUN") {
monthval=5;
}
else if (monthval=="JUL") {
monthval=6;
}
else if (monthval=="AUG") {
monthval=7;
}
else if (monthval=="SEP") {
monthval=8;
}
else if (monthval=="OCT") {
monthval=9;
}
else if (monthval=="NOV") {
monthval=10;
}
else if (monthval=="DEC") {
monthval=11;
}
return(monthval);
}
</SCRIPT>
</HTML>
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