// JavaScript Document

function validate_form(theForm)
{
  
  //check name field is not empty
  var nValue = theForm.elements["name"].value;
  var eValue = theForm.elements["email"].value;
  var fValue = theForm.elements["phone"].value;
  var rValue = theForm.elements["regnum"].value;
  var pValue = theForm.elements["postcode"].value;
  var cValue = theForm.elements["captcha"].value;
  var clValue = theForm.elements["chassis"];
  
  var returnVal = true;
  var err_text = "";

  
  if (nValue == "" ) {
	 returnVal = false; 
	 err_text = err_text + "The Your Name field is required.<br/>"; 
  }
  
  if (eValue == "" ) {
	 returnVal = false;  
	 err_text = err_text + "The Email field is required.<br/>";
  }
  
  if (fValue == "" ) {
	 returnVal = false;  
	 err_text = err_text + "The Phone Number field is required.<br/>";
  }
  
  if (rValue == "" ) {
	 returnVal = false; 
	 err_text = err_text + "The Reg Number field is required<br/>";
  }
  
  if (pValue == "" ) {
	 returnVal = false;  
	 err_text = err_text + "The Postcode field is required<br/>";
  }
  
  if (cValue != "SkoDa") {  
     returnVal = false;
	 err_text = err_text + "The text entered did not match the image.<br/>";
  }
  
  if (returnVal == false ){ 
    var errorBox = document.getElementById('form_error');
	
	errorBox.innerHTML = '<span class="introtxt" >There was one or more errors with the form:</span><br/><br/><div class="form_error_inner">' + err_text + '<br/></div>';
  } 
  
  return returnVal;
}