<!--
	var requiredFields = new Array("First Name", "Last Name", "E-mail", "I am located at");
	function checkRequiredFields() {
		var valid = true;
		var invalidField ="";
		var focusField ="";
		var fieldIndex="";
		var i=0;
		var tmp;
		while (i<requiredFields.length) {
			if (requiredFields[i] == "I am located at") {
				if (!radioBtn(document.rfi.elements[requiredFields[i]])) {
				 	valid=false;
					invalidField += requiredFields[i]+ "\n";
				}
			}
			else {
				tmp = document.rfi.elements[requiredFields[i]].value.replace(/ /gi,"");
				if (tmp == "") {
					invalidField += requiredFields[i] +"\n";
					valid=false;
				}
			}
			i++;
		}
		if (invalidField != "")  { 
			focusField = invalidField.substring(0, invalidField.indexOf("\n"));
			if (focusField == "I am located at") fieldIndex="[0]";
			alert ("The following information is required:\n" + invalidField);
			eval("document.rfi.elements['" + focusField + "']" + fieldIndex + ".focus()");
		 }	 
		return valid;
	}
	
	function radioBtn(field) {
			var checked=false;
			for (var i=0; i<field.length; i++) {
				if (field[i].checked == "1") { 
					checked=true;
					break;
				}
			}
			return checked;
	}	
//-->