function ValidateDateForm(start_date, end_date) {
	if (!ValidateDate(start_date)) {
		alert ("Please enter a valid start date (mm/dd/yyyy)");
		return false;
	}
	if (!ValidateDate(end_date)) {
		alert ("Please enter a valid end date (mm/dd/yyyy)");
		return false;
	}
	return true;
}

function ValidateDate(obj){
	var dteDate;
	obj1 = obj.split("/"); 
	obj1[0] = parseInt(obj1[0], 10)-1; //for javascript 0=>January!
	obj1[1] = parseInt(obj1[1], 10);
	obj1[2] = parseInt(obj1[2], 10);
	dteDate=new Date(obj1[2], obj1[0], obj1[1]);
	if ((obj1[1]==dteDate.getDate()) && (obj1[0]==dteDate.getMonth()) && (obj1[2]==dteDate.getFullYear())) {
		return true;
	} else {
		return false;
	}
}