// JavaScript Document

function validateForm(form){
	if (form.fldCompany.value == ""){
		alert('Please enter your company name');
		form.fldCompany.focus();
		return false;
	}
	if (form.fldName.value == ""){
		alert('Please enter your name or the name of the contact person');
		form.fldName.focus();
		return false;
	}
	if (form.fldEmail.value == ""){
		alert('Please enter your email address');
		form.fldEmail.focus();
		return false;
	}
	if (!isEmail(form.fldEmail.value)){
		alert('Please enter a valid email address');
		form.fldEmail.focus();
		return false;
	}
	if (form.fldMessage.value == ""){
		alert('Please enter your comments');
		form.fldMessage.focus();
		return false;
	}
	
	return true;
}

function isEmail(str) {
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
	return (!r1.test(str) && r2.test(str));
}