function gotReq(frm, req) { 
	var doc = document; 
	for (var i = 0; i < req.length; i++) { 
		eval("var fld = document.forms.loginform."+ req[i] +";");
		if (fld.length) { 
			if (fld.type == "select-one") { // Select. 
				if (fld.selectedIndex == 0) { 
					return false; 
				} 
			} else {
				var yep = false; 
				for (var j = 0; j < fld.length; j++) { 
					if (fld[j].checked) { 
						yep = true; 
					} 
				} 
				if (! yep) { 
					return false; 
				} 
			} 
		} else { 
			if (fld.value == "") { 
				return false; 
			} 
		} 
	}
	return true; 
} 

function tryLog(frm) { 
	// Variables. 
	var doc = document; 
	var act = frm.action.value; 
	var req = frm.requiredfields.value.split(",");
	var ret = false; 
	// Processing. 
	switch (act) { 
	case "Login": 
		if (! gotReq(frm, req)) { 
			alert("Not all required information was entered."); 
			return false; 
		} 
		return true; 
		break; 
	case "Cancel": 
		return true; 
		break; 
	} 
	return false; 
}