// JavaScript Document

function ValidateDate(txtFDate,txtTDate)    
{    
	var SDate = document.getElementById(txtFDate).value;    	    
	var EDate =  document.getElementById(txtTDate).value;                     
	var alertReason1 =  'End Date must be greater than or equal to  Start Date.'     
	var alertReason2 =  'End Date can not be less than Current Date.';	    
	var endDate = new Date(EDate);    	    
	var startDate= new Date(SDate);            
	if(SDate != '' && EDate != '' && startDate > endDate)    
	{	    
		alert(alertReason1);	    
		document.getElementById(txtTDate).value = "";	    
		return false;    
	}    
	else if(SDate == '')	    
	{        
		alert("Please enter Start Date");        
		return false;    
	}
	else if(EDate == '')	    
	{        
		alert("Please enter End Date");        
		return false;    
	}	    
}