How to compare dates in javascript?

[balasri1984]

hi ,
i need to validate and check two date fields startdate and enddate so that the enddate must be greater than the startdate in javascript.
can any one help me ?

bala

[kiran2710]

Check dis link, hope u vil get answer.........

Performing Form Validation with Validation Controls > Comparing Values: The CompareValidator Control

[sk_kireeti]

function getDateObject(dateString,dateSeperator)
{
//This function return a date object after accepting
//a date string ans dateseparator as arguments
var curValue=dateString;
var sepChar=dateSeperator;
var curPos=0;
var cDate,cMonth,cYear;

//extract day portion
curPos=dateString.indexOf(sepChar);
cDate=dateString.substring(0,curPos);

//extract month portion
endPos=dateString.indexOf(sepChar,curPos+1); cMonth=dateString.substring(curPos+1,endPos);

//extract year portion
curPos=endPos;
endPos=curPos+5;
cYear=curValue.substring(curPos+1,endPos);

//Create Date Object
dtObject=new Date(cYear,cMonth,cDate);
return dtObject;
}
var startDate = getDateObject(document.groupForm.Date.value,"/");
var endDate = getDateObject(document.groupForm.endDate.value,"/");[FONT=verdana,geneva,lucida,'lucida grande',arial,helvetica,sans-serif]
[/font]if(startDate < endDate)
alert("startDate is less than endDate");
if(startDate >= endDate)
alert("startDate is greater than or equal to endDate");

[balasri1984]

thank u ......