// JavaScript Document
function prepareForms() {
	for (var i=0; i<document.forms.length; i++) {
		var thisform = document.forms[i];
		resetFields(thisform);
		thisform.onsubmit = function() {
			return validateForm(this);
			}
		}
	}
addLoadEvent(prepareForms);

function focusLabels() {
		if (!document.getElementsByTagName) return false;
		var labels = document.getElementsByTagName("label")
		for (var i=0; i<labels.length; i++) {
			if (!labels[i].getAttribute("for")) continue;
			labels[i].onclick = function() {
				var id = this.getAttribute("for")
				if (!document.getElementById(id)) return false;
				element.focus();
			}
		}
}
addLoadEvent(focusLabels);


function resetFields(whichform) {
	for (var i=0; i<whichform.elements.length; i++) {
		var element = whichform.elements[i];
		if (element.type == "submit") continue;
		if (element.type == "reset") continue;
		if (!element.defaultValue) continue;
		element.onfocus = function() {
			if (this.value = this.defaultValue) {
				this.value = "";
		}
	}
	element.onblur = function() {
		if (this.value == "") {
			this.value = this.defaultValue;
			}
		}
	}
}

function validateForm(whichform) {
  for (var i=0; i<whichform.elements.length; i++) {
    var element = whichform.elements[i];
    if (element.className.indexOf("required") != -1) {
      if (!isFilled(element)) {
        alert("Please fill in the "+element.name+" name field.");
        return false;
      }
    }
    if (element.className.indexOf("text03") != -1) {
      if (!isEmail(element)) {
        alert("The "+element.name+" field must have a valid email address.");
        return false;
      }
    }
  }
  return true;
}

function isFilled(field) {
  if (field.value.length < 1 || field.value == field.defaultValue) {
    return false;
  } else {
    return true;
  }
}

function isEmail(field) {
  if (field.value.indexOf("@") == -1 || field.value.indexOf(".") == -1) {
    return false;
  } else {
    return true;
  }
}

function prepareForms() {
  for (var i=0; i<document.forms.length; i++) {
    var thisform = document.forms[i];
    resetFields(thisform);
    thisform.onsubmit = function() {
      return validateForm(this);
    }
  }
}

addLoadEvent(focusLabels);
addLoadEvent(prepareForms);