function initForm() {
	document.getElementById("months").selectedIndex = 0;
	document.getElementById("months").onchange = populateDays;
	
	document.getElementById("months2").selectedIndex = 0;
	document.getElementById("months2").onchange = populateDays2;
}

function populateDays() {
	var monthDays = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	var monthStr = this.options[this.selectedIndex].value;
	
	if (monthStr != "") {
		var theMonth = parseInt(monthStr);
					
		document.getElementById("days").options.length = 0;
		for(var i=0; i<monthDays[theMonth]; i++) {
			document.getElementById("days").options[i] = new Option(i+1);
		}
	}
}

function populateDays2() {
	var monthDays2 = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	var monthStr2 = this.options[this.selectedIndex].value;
	
	if (monthStr2 != "") {
		var theMonth2 = parseInt(monthStr2);
					
		document.getElementById("days2").options.length = 0;
		for(var i=0; i<monthDays2[theMonth2]; i++) {
			document.getElementById("days2").options[i] = new Option(i+1);
		}
	}
}