function checkForm(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("FirstName", "LastName", "DOB_month", "DOB_day", "DOB_year", "Email", "Defer", "School");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("First Name", "Last Name", "Birth Month", "Birth Day", "Birth Year", "Email", "Defer Admission", "Attend Another Institution");
	// dialog message
	var alertMsg = "Please complete the following fields:\n";

	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		
		if (fieldRequired[i] == "DOB_year"){
			if (obj.value != parseInt(obj.value)){
				alert("Year of birth must be a number.");
				return false;
			}
			if (obj.value < 1900){
				alert("Year must be greater than 1900.");
				return false;
			}
		}
		
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}

function subtn() {
	document.Decline.SubTn.disabled=false;
}