// JavaScript Document
var  flag=false;  
function  DrawImage(ImgD){  
     var  image=new  Image();  
     image.src=ImgD.src;  
     if(image.width>0  &&  image.height>0){  
       flag=true;  
       if(image.width/image.height>=  160/120){  
         if(image.width>160){      
         ImgD.width=160;  
         ImgD.height=(image.height*160)/image.width;  
         }else{  
         ImgD.width=image.width;      
         ImgD.height=image.height;  
         }  
        // ImgD.alt=image.width+""+image.height;  
         }  
       else{  
         if(image.height>120){      
         ImgD.height=120;  
         ImgD.width=(image.width*120)/image.height;            
         }else{  
         ImgD.width=image.width;      
         ImgD.height=image.height;  
         }  
        // ImgD.alt=image.width+""+image.height;  
         }  
       }  
}
//----countact us
function checkForm() {
  var error = 0;
  var error_message = "Errors have occured during the process of your form.\n\nPlease make the following corrections:\n\n";
 
  var gb_name = document.guestbook_sign.gb_name.value;
  var gb_email = document.guestbook_sign.gb_email.value;
  var gb_text = document.guestbook_sign.gb_text.value;
 

  if (gb_name.length < 4) {
    error_message = error_message + "* Your 'Full Name' must contain a minimum of 4 characters.\n";
    error = 1;
  }

  if (gb_email.length < 1) {
	    error_message = error_message + "* Please enter your email address to help us contact you.\n";
	    error = 1;
  }
 
  if (gb_text.length < 25) {
    error_message = error_message + "* The 'Comments' field must have at least 25 characters. \n";
    error = 1;
  }
 
  if (error == 1) {
    alert(error_message);
    return false;
  } else {
    return true;
  }
}


//------------------Create_account-----------------------------------
var form = "";
var submitted = false;
var error = false;
var error_message = "";
 
function check_input(field_name, field_size, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;
 
    if (field_value.length < field_size) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}
 
function check_radio(field_name, message) {
  var isChecked = false;
 
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var radio = form.elements[field_name];
 
    for (var i=0; i<radio.length; i++) {
      if (radio[i].checked == true) {
        isChecked = true;
        break;
      }
    }
 
    if (isChecked == false) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}
//---------------------------
function check_checkbox(field_name, message) {
  var isChecked = false;
 
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var checkbox = form.elements[field_name];
 
    for (var i=0; i<checkbox.length; i++) {
      if (checkbox[i].checked == true) {
        isChecked = true;
        break;
      }
    }
 
    if (isChecked == false) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}
//--------------------------- 
function check_select(field_name, field_default, message) {
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
    var field_value = form.elements[field_name].value;
 
    if (field_value == field_default) {
      error_message = error_message + "* " + message + "\n";
      error = true;
    }
  }
}
 
function check_password(field_name_1, field_name_2, field_size, message_1, message_2) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password = form.elements[field_name_1].value;
    var confirmation = form.elements[field_name_2].value;
 
    if (password.length < field_size) {
      error_message = error_message + "* " + message_1 + "\n";
      error = true;
    } else if (password != confirmation) {
      error_message = error_message + "* " + message_2 + "\n";
      error = true;
    }
  }
}
 
function check_password_new(field_name_1, field_name_2, field_name_3, field_size, message_1, message_2, message_3) {
  if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
    var password_current = form.elements[field_name_1].value;
    var password_new = form.elements[field_name_2].value;
    var password_confirmation = form.elements[field_name_3].value;
 
    if (password_current.length < field_size) {
      error_message = error_message + "* " + message_1 + "\n";
      error = true;
    } else if (password_new.length < field_size) {
      error_message = error_message + "* " + message_2 + "\n";
      error = true;
    } else if (password_new != password_confirmation) {
      error_message = error_message + "* " + message_3 + "\n";
      error = true;
    }
  }
}
 
function check_form(form_name) {
  if (submitted == true) {
    alert("This form has already been submitted. Please press Ok and wait for this process to be completed.");
    return false;
  }
 //жʽʼ
var email = document.getElementById("email_address").value;
if (email != "") {
var reg = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/;
isok= reg.test(email );
if (!isok) {
alert("Email Address Format Error !");
document.getElementById("email_address").focus();
return false;
}
}
//жʽ
  error = false;
  form = form_name;
  error_message = "Errors have occured during the process of your form.\n\nPlease make the following corrections:\n\n";
 
  check_radio("gender", "Please select your Gender.");
  
  check_checkbox("ty", "You  must agree to Terms and Conditions.");
 
  check_input("firstname", 3, "Your First Name must contain a minimum of 3 characters.");
  check_input("lastname", 1, "Your Last Name must contain a minimum of 1 characters.");
 
 
  check_input("email_address", 6, "Your E-Mail Address must contain a minimum of 6 characters.");
  check_input("street_address", 2, "Your Street Address must contain a minimum of 2 characters.");
  check_input("postcode", 4, "Your Post Code must contain a minimum of 4 characters.");
  check_input("city", 3, "Your City must contain a minimum of 3 characters.");
 
  check_input("state", 2, "Your State must contain a minimum of 2 characters.");
 
  check_select("country", "", "You must select a country from the Countries pull down menu.");
 
  check_input("telephone", 3, "Your Telephone Number must contain a minimum of 3 characters.");
 
  check_password("password", "confirmation", 2, "Your Password must contain a minimum of 2 characters.", "The Password Confirmation must match your Password.");
  check_password_new("password_current", "password_new", "password_confirmation", 2, "Your Password must contain a minimum of 2 characters.", "Your new Password must contain a minimum of 2 characters.", "The Password Confirmation must match your new Password.");
 
  if (error == true) {
    alert(error_message);
    return false;
  } else {
    submitted = true;
    return true;
  }
}
//--------user.php---------------
var password_not_null = "Please enter your password";
var email_not_null = "Please enter your e-mail";
var email_invalid = "E-mail you entered is incorrect";
var password_not_same = "You enter a password and confirm password inconsistent";
var password_lt_six = "Password can not be less than 6 characters";

function  checkEmalForm(frm) {
	if (Utils.isEmpty(frm.elements['epassword'].value)) {
		alert(password_not_null);
		return false;
	}

	if (frm.elements['epassword'].value.length < 6) {
		alert(password_lt_six);
		return false;
	}
	
	if (Utils.isEmpty(frm.elements['newemail'].value)) {
		alert(email_not_null);
	return false;
	}

	if (!Utils.isEmail(frm.elements['newemail'].value)) {
		alert(email_invalid);
		return false;
	}
	return true;
}

function checkPwdForm(frm) {

if (Utils.isEmpty(frm.elements['old_password'].value)) {
alert(password_not_null);
return false;
}

if (frm.elements['new_password'].value.length < 6) {
alert(password_lt_six);
return false;
}

if (frm.elements['new_password'].value != frm.elements['comfirm_password'].value) {
alert(password_not_same);
return false;
}
return true;
}
//------------view.php-----------------
    function showContent(index)
    {
       var e = document.getElementById("content"+index);
       e.style.display = "";
       
       for(var i=1; i<4; i++)
       {
        if(i != index)
        {
            var e2 = document.getElementById("content"+i);
            e2.style.display = "none";
            document.getElementById("tab"+i).className="tabSelected1";
         }
         else
         {
            document.getElementById("tab"+i).className="tabSelected";
         }
       }
    }