// contact form validation
//Nov 30th, 2007, LJB

function validateFormOnSubmit(theForm) {
var reason = "";

//my count function for checkboxes
 	var count = 0;
     if (document.myform.chkWorshipLeader.checked == false &&
	 	document.myform.chkWebmaster.checked == false &&
		document.myform.chkRainbowRecording.checked == false &&
		document.myform.chkJacob.checked == false) {
	  	count = 1;
		alert("Please select at least one recipient.\n");
		return false;
     	}	
		
  reason += validateUsername(theForm.txtName);
  reason += validateEmail(theForm.txtEmail);
  reason += validateEmpty(theForm.txtMessage);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }

  alert("Thank you, your email will now be sent.");
  return true;
}
function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = '#99CCFF'; 
        error = "The required field has not been filled in.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}
function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = '#99CCFF'; 
        error = "You didn't enter your name.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
  
function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}
function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = '#99CCFF';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = '#99CCFF';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#99CCFF';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
function goToWhite(){
		document.myform.txtName.style.background = 'White';
		document.myform.txtEmail.style.background = 'White';
		document.myform.txtMessage.style.background = 'White';
}
//-->