function GetDateDiff(startDate,endDate) 
{ 
var startTime = new Date(Date.parse(startDate.replace(/-/g, "/"))).getTime(); 
var endTime = new Date(Date.parse(endDate.replace(/-/g, "/"))).getTime(); 
var dates = Math.abs((startTime - endTime))/(1000*60*60*24); 
return dates; 
}