Javascript Date Range Validation
Here is a Javascript function that will tell you if 2 dates make a valid date range.
function isValidDateRange( objstartMonth,objstartDay, objstartYear, objendMonth,objendDay, objendYear)
{
var startDate = new Date(objstartYear.options[objstartYear.selectedIndex].value, objstartMonth.options[objstartMonth.selectedIndex].value,…