Untitled

function birth(element){
	var userIn = element.value
	var startDate = new Date();
	startDate.setFullYear(1927);
	var endDate = new Date();
	endDate.setFullYear(1984);
	if (userIn.valueOf >= startDate && userIn.valueOf <= endDate){
			return true;
			}else{ 
			alert("Please enter between " + startDate+"and"+endDate);
			element.focus();
			return false;
			}
}