/*-------------------------------------------------*/
/* Validation Function                             */
/*-------------------------------------------------*/

function valid_Login(f) {
  f.elements['user_email'].optional=false;
  f.elements['user_password'].optional=false;
  if(!valid_Required(f)) return false;
  if(!valid_Email(f.elements['user_email'].value)) return false;
  if(!valid_Password1(f.elements['user_password'].value)) return false;
  return true;
}

function valid_Register(f) {
  setAll_Required(f);
  //f.elements['user_trade'].optional=true;
  if(!valid_Required(f)) return false;
  if(f.elements['user_email']) {
    if(!valid_Email(f.elements['user_email'].value)) return false;
    if(!valid_Password1(f.elements['user_password'].value)) return false;
    if(f.elements['user_password'].value!=f.elements['user_confirm'].value) {
      alert('Password incorrectly confirmed');
      return false;
    } 
  }
  return true;
}

function valid_Booking(f) {
  setAll_Required(f);
  if(!valid_Required(f)) return false;
  return true;
}

function valid_Contact(f) {
  setAll_Required(f);
  if(!valid_Required(f)) return false;
  return true;
}

function valid_Checkout(f) {
  setAll_Required(f);
  if(!valid_Required(f)) return false;
  //if(f.elements['orde_cc_type'].value=='
  return true;
}

/*-------------------------------------------------*/
/* Validation Helper Functions                     */
/*-------------------------------------------------*/

var r_validDigits = /^([0-9]+)$/;
var r_validChars = /^([0-9A-Za-z]+)$/;
var r_validEmail = /^([0-9a-zA-Z]+[-._+&])*[0-9a-zA-Z]+@([-0-9a-zA-Z]+[.])+[a-zA-Z]{2,6}$/;
//var r_validDate = /^(?=\d)(?:(?:31(?!.(?:0?[2469]|11))|(?:30|29)(?!.0?2)|29(?=.0?2.(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(?:\x20|$))|(?:2[0-8]|1\d|0?[1-9]))([-./])(?:1[012]|0?[1-9])\1(?:1[6-9]|[2-9]\d)?\d\d(?:(?=\x20\d)\x20|$))?(((0?[1-9]|1[012])(:[0-5]\d){0,2}(\x20[AP]M))|([01]\d|2[0-3])(:[0-5]\d){1,2})?$/;

function valid_Digits(t) {
  return r_validDigits.test(t);
}

function valid_Chars(t) {
  return r_validChars.test(t);
}

//function valid_Date(d) {
//  return r_validDate.test(d);
//}

function valid_Date(d){
  test1=(/^\d{2}[\/-]\d{2}[\/-]\d{4}$/.test(d));
  d=d.replace(/[\/-]/g,',');
  d=d.split(',');
  dt=new Date(d[2],d[1]-1,d[0]);
  test2=(1*d[0]==dt.getDate() && 1*d[1]==(dt.getMonth()+1) && 1*d[2]==dt.getFullYear());
  if (test1 && test2) return true;
  return false;
}

function valid_Time(t) {
  test1=(/^(20|21|22|23|[01]\d|\d)(([:.][0-5]\d){1,2})$/.test(t));
  if(test1) return true;
  return false;
}

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}


function valid_Email(t) {
  if(!r_validEmail.test(t)) {
    alert('Please enter a valid email address');
    return false;
  }
  return true;
}

function valid_Password(t) {
  if(t.length<6||t.length>20) {
    alert('Password must be between 6 and 20 characters long.');
    return false;
  }
  if(!valid_Chars(t)) {
    alert('Passwords must contain alpha-numeric characters only.');
    return false;
  }
  return true;
}

function valid_Password1(t) {
  if(t.length<6||t.length>20) {
    alert('Password must be between 6 and 20 characters long.');
    return false;
  }
  return true;
}

function valid_Mobile(t) {
  if(t.length!=10||t.substr(0,2)!='08') {
    alert('Please enter a valid mobile number');
    return false;
  }
  return true;
}

function setAll_Required(f) {
  for(i=0;i<f.elements.length;i++) {
    f.elements[i].optional = false;
  }
}

function valid_Required(f) {
  for(i=0;i<f.elements.length;i++) {
    if(!f.elements[i].optional&(f.elements[i].type=='text'||f.elements[i].type=='textarea'||f.elements[i].type=='password'||f.elements[i].type=='select-one'||f.elements[i].type=='select-multiple'||f.elements[i].type=='file')) {
      if(f.elements[i].value=='') {
        alert('Please fill in all the required fields.');
        //f.elements[i].className=f.elements[i].className+' highlight';
        if(f.elements[i].style.display!='none')f.elements[i].focus();
        return false;
      }
    }
  }
  return true;
}

function conf(s) {
  if(confirm('Are you sure?')) window.open(s,'_self');
}

function validatePwd(fieldname) {
	//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	//Copyright April 2004 Sani, A. I. (MCSE, MCSA, CCNA)
	//sanijean@yahoo.co.uk
	//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	 
	//Initialise variables
	var errorMsg = "";
	var space  = " ";
	//fieldname   = document.f.user_password; 
	fieldvalue  = fieldname.value; 
	fieldlength = fieldvalue.length; 
	 
	if (fieldvalue.indexOf(space) > -1) {
			 errorMsg += "Your password cannot include a space.\n";
	}     
	 
	if (!(fieldvalue.match(/\d/))) {
			 errorMsg += "Your password must include at least one number.\n";
	}
	//if (!(fieldvalue.match(/^[a-zA-Z]+/))) {
		//	 errorMsg += "Your password must start with at least one letter.\n";
	//}
	if (!(fieldvalue.match(/[A-Z]/))) {
			 errorMsg += "Your password must include at least one uppercase letter.\n";
	}
	if (!(fieldvalue.match(/[a-z]/))) {
			 errorMsg += "Your password must include one or more lowercase letters.\n";
	}
	if (!(fieldvalue.match(/\W+/))) {
			 errorMsg += "Your password must include at least one special character - #,@,%,!\n";
	}
	if (!(fieldlength >= 7)) {
			 errorMsg += "Your password must be at least 7 characters long.\n";
	}
	if (errorMsg != ""){
			msg = "Please correct the problem(s) with your password.\n\n";
			errorMsg += alert(msg + errorMsg + "\n");
			fieldname.focus();
			return false;
	}
	return true;
}