function validateForm(theForm) {
var reason = "";
	
	populateHiddenFields(theForm);
  reason += validateEmpty(theForm.name);
  reason += validateEmail(theForm.email);
  reason += validatePhone(theForm.phone);
  reason += validateCheckBox(theForm.agree);
      
  if (reason != "") {
    alert(reason);
    return false;
  }

  return true;
}

function validateCheckBox(fld) {
	var error = "";
	
	if(fld.checked == 0) {
		error = "You must check the mentioned agreement in order to submit this form.\n";
	}
	
	return error;
	
}

function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

   if (fld.value == "") {
        error = "You didn't enter a phone number.\n";
        fld.style.background = '#CCCCCC';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number entered is invalid.\n";
        fld.style.background = '#CCCCCC';
    } else if (stripped.length != 10) {
        error = "The phone number entered is invalid.\n";
        fld.style.background = '#CCCCCC';
    } 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 = '#CCCCCC';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = '#CCCCCC';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#CCCCCC';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

function validateEmpty(fld) {
    var error = "";
 		
    if (fld.value.length == 0) {
        fld.style.background = '#CCCCCC'; 
        error = "Required field has not been filled in.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}

function _uGC(l,n,s) {
 if (!l || l=="" || !n || n=="" || !s || s=="") return "-";
 var i,i2,i3,c="-";
 i=l.indexOf(n);
 i3=n.indexOf("=")+1;
 if (i > -1) {
  i2=l.indexOf(s,i); if (i2 < 0) { i2=l.length; }
  c=l.substring((i+i3),i2);
 }
 return c;
}

var z = _uGC(document.cookie, '__utmz=', ';'); 

var source  = _uGC(z, 'utmcsr=', '|'); 
var medium  = _uGC(z, 'utmcmd=', '|'); 
var term    = _uGC(z, 'utmctr=', '|'); 
var content = _uGC(z, 'utmcct=', '|'); 
var campaign = _uGC(z, 'utmccn=', '|'); 
var gclid   = _uGC(z, 'utmgclid=', '|'); 

if (gclid !="-") { 
      source = 'google'; 
      medium = 'cpc'; 
} 

var csegment = _uGC(document.cookie, '__utmv=', ';'); 
if (csegment != '-') { 
      var csegmentex = /[1-9]*?\.(.*)/;
      csegment    = csegment.match(csegmentex); 
      csegment    = csegment[1]; 
} else { 
      csegment = '(not set)'; 
} 

var a = _uGC(document.cookie, '__utma=', ';');
var aParts = a.split(".");
var nVisits = aParts[5];

function populateHiddenFields(f) { 
      f.source.value  = source; 
      f.medium.value  = medium; 
      f.term.value    = term; 
      f.content.value = content; 
      f.campaign.value = campaign; 
      f.segment.value = csegment; 
      f.numVisits.value = nVisits;
}