var registeredFields = new Array();
var singleValidation = false;
var currentField = "";
var formURL = "";

function applyResults(results) {
	var count = 0;
	for(var result in results) {
		$("#" + result + "Error").html(results[result]);
		$("#" + result + "Error").fadeIn("slow");		
		count++;
	}
	if (!singleValidation) {
		for(var field in registeredFields) {
			if (results[field] == undefined) {
				$("#" + field + "Error").html("");
				$("#" + field + "Error").fadeOut("slow");		
			}
		}
	} else {
		if (results[currentField] == undefined) {
				$("#" + currentField + "Error").html("");
				$("#" + currentField + "Error").fadeOut("slow");		
		}			
	}
	
	if (!singleValidation && (count == 0)) {
		$("#frmRequest")[0].submit();
	}
}
function performFieldValidation(name) {
	registeredFields[name].value = $("#" + name).val();
	fields = [registeredFields[name]];
	performValidation(fields);	
}

function performValidation(fields) {
	$.get(formURL, fields, function(data) {
		applyResults(data);
		singleValidation = false;	
		currentField = "";		
	}, "json");
}

function registerFieldValidation(fieldName) {
	$("#" + fieldName+ "Error").hide();
	registeredFields[fieldName] = {name : fieldName, value:  $("#" + fieldName).val()};
	$("#" + fieldName).blur( function() { 
		singleValidation = true;									  	
		currentField = fieldName;
		performFieldValidation(fieldName);
	});
}

function validateForm() {	
	var index = 0;
	fields = new Array();
	for (var name in registeredFields) {
		if ($("#" + name)[0].type == "radio") {
			registeredFields[name].value = $("#" + name)[0].checked? $("#" + name).val() : "";
		} else {
			registeredFields[name].value = $("#" + name).val();
		}
				
		fields[index++] = registeredFields[name];
	}
	singleValidation = false;
	currentField = "";
	performValidation(fields);	
	return false;
}