function CheckMultiple83(frm, name) {
		for (var i=0; i < frm.length; i++)
		{
			fldObj = frm.elements[i];
			fldId = fldObj.id;
			if (fldId) {
				var fieldnamecheck=fldObj.id.indexOf(name);
				if (fieldnamecheck != -1) {
					if (fldObj.checked) {
						return true;
					}
				}
			}
		}
		return false;
	}
function CheckForm83(f) {
	if (f.email.value == "") {
		alert("Please enter your email address.");
		f.email.focus();
		return false;
	}

	var fname = "CustomFields_8_83";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter a value for field First Name");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_9_83";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter a value for field Last Name");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_7_83";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter a value for field Telephone");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_206_83";
	var fld = document.getElementById(fname);
	if (fld.selectedIndex == -1 || fld.selectedIndex == 0) {
		alert("Please choose an option for field Thames Program of Interest");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_51_83";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter a value for field Address");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_52_83";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter a value for field City");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_18_83";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter a value for field Province");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_21_83";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter a value for field Postal Code");
		fld.focus();
		return false;
	}

	var fname = "CustomFields_207_83";
	var fld = document.getElementById(fname);
	if (fld.selectedIndex == -1 || fld.selectedIndex == 0) {
		alert("Please choose an option for field How Did You Hear About Us?");
		fld.focus();
		return false;
	}

		return true;
	};