function formSubmit()
{ 
  var err = '';
  var mand = new Array('fname','address','user_email','user_phone','msg');
  for(var i=0; i<mand.length; i++)
  {
	  var val = document.getElementById(mand[i]).value;
	  if (val == '') {
		err += 'Fill in '+ mand[i] +' field \n';
	  }
  }
  if(err == ''){
	err = emailCheck('user_email');
	 if(err == true){ 
		 document.GCOrderForm.submit(); 
		 return true;
	 }
  }
  if(err != ''){
	  alert(err);
	  return false;
  }
 
}

function formSubmit_schedule()
{ 
  var err = '';
	var mand = new Array('first_name','last_name','street','phone','user_email');
  for(var i=0; i<mand.length; i++)
  {
	  var val = document.getElementById(mand[i]).value;
	  if (val == '') {
		err += 'Fill in '+ mand[i] +' field \n';
	  }
  }
  if(err == ''){
	err = emailCheck('user_email');
	 if(err == true){ 
		 document.GCOrderForm.submit(); 
		 return true;
	 }
  }
  if(err != ''){
	  alert(err);
	  return false;
  }
 
}

function clear_form()
{
	var Field = new Array('service_type','product_name','product_brand','model_serial','product_type','product_age','service_description','first_name','last_name','midile_name','company','street','zip','phone','fax','user_email','month','day','from','to','am_pm','or_1_month','or_1_day','or_1_from','or_1_to','or_1_am_pm','or_2_month','or_2_day','or_2_from','or_2_to','or_2_am_pm');
	
	for(var i=0; i<Field.length; i++)
	{
		  document.getElementById(Field[i]).value = '' ;
  	}
	
}


function emailCheck(id) { 
  var err = '';
  var emailStr = document.getElementById(id).value;
  var checkTLD=1;
  var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|COM|NET|INFO|BIZ|NAME|ORG|EDU)$/;
  var emailPat=/^(.+)@(.+)$/;
  var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
  var validChars="\[^\\s" + specialChars + "\]";
  var quotedUser="(\"[^\"]*\")";
  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
  var atom=validChars + '+';
  var word="(" + atom + "|" + quotedUser + ")";
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
  var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
  var matchArray=emailStr.match(emailPat);

  if (matchArray==null) {
    err = "Email address seems incorrect (check @ and .'s)";
    return err;
  }
  var user=matchArray[1];
  var domain=matchArray[2];

  for (i=0; i<user.length; i++) {
    if (user.charCodeAt(i)>127) {
     err ="Ths username contains invalid characters.";
     return err;
    }
  }

  for (i=0; i<domain.length; i++) { 
   if (domain.charCodeAt(i)>127) {
     err ="Ths domain name contains invalid characters.";
     return err;
   }
  }


  if (user.match(userPat)==null) {
    err = "The username doesn't seem to be valid.";
    return err;
  }

  var IPArray=domain.match(ipDomainPat);
  if (IPArray!=null) {
   for (var i=1;i<=4;i++) {
      if (IPArray[i]>255) {
         err = "Destination IP address is invalid!";
         return err;
      }
   }
  return true;
  }

 
  var atomPat=new RegExp("^" + atom + "$");
  var domArr=domain.split(".");
  var len=domArr.length;
  for (i=0;i<len;i++) {
   if (domArr[i].search(atomPat)==-1) {
      err = "The domain name does not seem to be valid.";
      return err;
   }
  }

  if (checkTLD && domArr[domArr.length-1].length!=2 && 
   domArr[domArr.length-1].search(knownDomsPat)==-1) {
   err = "The address must end in a well-known domain or two letter " + "country." ;
   return err;
  }

  if (len<2) {
   err = "This address is missing a hostname!";
   return err;
  }

 return true;
}