javascript date validation

[sujithkumar]

i have one date field i want to validate that field

that date should not be less that current date
if it is there show alert box
pls tell solution for this

[Shanti C]

helloo try this..

<script>
function ValidateDate(CtrlSDate,CtrlEDate)
    {
    var SDate = document.getElementById(CtrlSDate).value;    	
     var calendarDate = getCalendarDate();
  
          
    var alertReason1 =  'End Date must be greater than or equal to  Start Date.' 
  
    var endDate = new Date(calendarDate);    	
    var startDate= new Date(SDate);
     
       if(SDate != '' && EDate != '' && startDate > endDate)
    {
	    alert(alertReason1);
	    document.getElementById(CtrlEDate).value = "";
	    return false;
    }
        
}
</script>

[mohandotnet]

Incase if user select from date as 10/7/2008 and to data as 15/6/2008 it is not validating the date.