var select_month;
var select_year;

function getSelectOptionsForDays(e) {
	var theSelect = document.getElementById("blog_created_day");
	theSelect.innerHTML = "";
	var year = select_year.options[select_year.selectedIndex].value;
	var month = select_month.options[select_month.selectedIndex].value;
	var days = 32 - new Date(year, month-1, 32).getDate();
	for(var i=1; i<=days; i++) {
		var anOption = document.createElement("option");
		anOption.appendChild(document.createTextNode(i));
		theSelect.appendChild(anOption);
	}
}






function setUpDateSelections(e) {
	select_month = document.getElementById("blog_created_month");
	select_year = document.getElementById("blog_created_year");
	if(select_year != null) {
		getSelectOptionsForDays(e);	
		select_year.onchange  = getSelectOptionsForDays;
		select_month.onchange  = getSelectOptionsForDays;	
	}

}