function hide_window () {
   var objSmsWindow = document.getElementById("sms_window");
   objSmsWindow.style.visibility = "hidden";
   hf_box_visible.value = '';
   }
function show_window (keyword, price, phone, providers) {
   var winLeft = (screen.width - 409) / 2;
   hf_item_price.value = price;
   hf_item_code.value = keyword;
   hf_sms_phone.value = phone;
   hf_sms_providers.value = providers; 
   lab_item_price.innerHTML = price;
   lab_item_code.innerHTML = keyword;
   lab_sms_phone.innerHTML = phone;
   lab_sms_providers.innerHTML = providers;
   hf_box_visible.value = '1';
   objWindow.style.visibility = "visible";
   objWindow.style.left = winLeft + 'px';
   }
var hf_box_visible;
var hf_item_price;
var hf_item_code;
var hf_sms_phone;
var hf_sms_providers;
var lab_item_price;
var lab_item_code;
var lab_sms_phone;
var lab_sms_providers;

var objWindow;
function window_init() {
   objWindow = document.getElementById("sms_window");
   var all_inputs = document.getElementsByTagName('input');
   for(i = 0; i < all_inputs.length; i++) {
      if (all_inputs[i].id.indexOf('hf_box_visible') > 0) {
         hf_box_visible = document.getElementById(all_inputs[i].id) }
      if (all_inputs[i].id.indexOf('hf_item_price') > 0) {
         hf_item_price = document.getElementById(all_inputs[i].id) }
      if (all_inputs[i].id.indexOf('hf_sms_phone') > 0) {
         hf_sms_phone = document.getElementById(all_inputs[i].id) }
      if (all_inputs[i].id.indexOf('hf_item_code') > 0) {
         hf_item_code = document.getElementById(all_inputs[i].id) }
      if (all_inputs[i].id.indexOf('hf_sms_providers') > 0) {
         hf_sms_providers = document.getElementById(all_inputs[i].id) }
      }
   lab_item_price = document.getElementById('lab_item_price');
   lab_sms_phone = document.getElementById('lab_sms_phone');
   lab_item_code = document.getElementById('lab_item_code');
   lab_sms_providers = document.getElementById('lab_sms_providers');
   if (hf_box_visible.value != '') {
      show_window (hf_item_code.value, hf_item_price.value, hf_sms_phone.value, hf_sms_providers.value);
      }
   else {
      hide_window();
      }
   }