t1="10/10/2006";
t2="15/10/2006";
//Total time for one day
var one_day=1000*60*60*24; //Here we need to split the inputed dates to convert them into standard format for further execution
var x=t1.split("/");
var y=t2.split("/"); //date format(Fullyear,month,date)
var date1=new Date(x[2],(x[1]-1),x[0]);
// it is not coded by me,but it works correctly,it may be useful to all
var date2=new Date(y[2],(y[1]-1),y[0])
var month1=x[1]-1;
var month2=y[1]-1;
//Calculate difference between the two dates, and convert to days
_Diff=Math.ceil((date2.getTime()-date1.getTime())/(one_day));