function randomDate(date1, date2){
function getRandomArbitrary(min, max) {
return Math.random() * (max - min) + min;
}
var date1 = date1 || '01-01-1970'
var date2 = date2 || new Date().toLocaleDateString()
date1 = new Date(date1).getTime()
date2 = new Date(date2).getTime()
if( date1>date2){
return new Date(getRandomArbitrary(date2,date1)).toLocaleDateString()
} else{
return new Date(getRandomArbitrary(date1, date2)).toLocaleDateString()
}
}
randomDate('02/13/2013', '01/01/2000')