var img1 = new Image;
img1.src = 'img/bus1_light.gif';
var img2 = new Image;
img2.src = 'img/bus2_light.gif';
var img3 = new Image;
img3.src = 'img/bus3_light.gif';
var img4 = new Image;
img4.src = 'img/bus4_light.gif';
var img5 = new Image;
img5.src = 'img/bus5_light.gif';
var img6 = new Image;
img6.src = 'img/bus6_light.gif';



function trim(string) { return string.replace(/(^s+)|(s+$)/g, ""); }


/* ************ */

function showImage(imgFile)
{  self.location = imgFile;
  return false;

  if(!document.getElementById('shade1')) document.body.innerHTML += '<div id=shade1 style="display: none;" onclick="hideImage();"></div><div id=shade2 style="display: none;"></div><div id=showedimage style="display: none;"></div>';

  var shade1 = document.getElementById('shade1');
  var shade2 = document.getElementById('shade2');
  var showedimage = document.getElementById('showedimage');

  showedimage.innerHTML = '<div style="text-align: center; cursor: default; font: bold 13px Trebuchet MS; margin-top: 10px;">Загрузка...</div>';

  var imgObject = new Image();
  imgObject.src = imgFile;

  imgObject.onload = function ()
  {
    var imgWidth = imgObject.width;
    var imgHeight = imgObject.height;

    showedimage.style.width = imgWidth + 2 + 'px';
    showedimage.style.height = imgHeight + 29 + 'px';
    showedimage.style.marginTop = (Math.round((imgHeight+29)/2+10)*-1) + 'px';
    showedimage.style.marginLeft = (Math.round((imgWidth+2)/2+10)*-1) + 'px';

    shade2.style.width = imgWidth + 22 + 'px';
    shade2.style.height = imgHeight + 49 + 'px';
    shade2.style.marginTop = (Math.round((imgHeight+29)/2+7)*-1) + 'px';
    shade2.style.marginLeft = (Math.round((imgWidth+2)/2+7)*-1) + 'px';

    if(imgObject.fileSize > 0) var imgSize = ', ' + Math.round(imgObject.fileSize/1024) + ' КБ';
    else var imgSize = '';

    showedimage.style.border = '10px solid white';
    showedimage.innerHTML = '<table cellpadding=0 cellspacing=0 style="width: ' + imgWidth + 'px; height: 24px; margin-bottom: 3px; font: 13px Trebuchet MS;"><tr><td valign=top><b>' + (imgWidth>200 ? escape(imgFile.replace(/^.*[/\]/g, '')) : escape(imgFile.replace(/^.*[/\]/g, '').substr(0,3))+'...') + '</b> (' + imgWidth + '<span style="margin: 0px 2px 0px 2px;">&times;</span>' + imgHeight + imgSize + ')</td><td valign=top align=right><div style="position: relative; top: -3px; cursor: pointer; font-size: 18px; height: 15px;" title="Закрыть" onclick="hideImage();"><b>&times;</b></div></td></tr></table><img style="cursor: pointer; border: 1px solid #ccc;" src="' + imgFile + '?' + (Math.floor(Math.random( ) * (10000+1))) + '" width=' + imgWidth + ' height=' + imgHeight + ' alt="" onclick="hideImage();">';
  }

  if(imgObject.complete)
  {
    var imgWidth = imgObject.width;
    var imgHeight = imgObject.height;

    showedimage.style.width = imgWidth + 2 + 'px';
    showedimage.style.height = imgHeight + 29 + 'px';
    showedimage.style.marginTop = (Math.round((imgHeight+29)/2+10)*-1) + 'px';
    showedimage.style.marginLeft = (Math.round((imgWidth+2)/2+10)*-1) + 'px';

    shade2.style.width = imgWidth + 22 + 'px';
    shade2.style.height = imgHeight + 49 + 'px';
    shade2.style.marginTop = (Math.round((imgHeight+29)/2+7)*-1) + 'px';
    shade2.style.marginLeft = (Math.round((imgWidth+2)/2+7)*-1) + 'px';

    if(imgObject.fileSize > 0) var imgSize = ', ' + Math.round(imgObject.fileSize/1024) + ' КБ';
    else var imgSize = '';

    showedimage.style.border = '10px solid white';
    showedimage.innerHTML = '<table cellpadding=0 cellspacing=0 style="width: ' + imgWidth + 'px; height: 24px; margin-bottom: 3px; font: 13px Trebuchet MS;"><tr><td valign=top><b>' + (imgWidth>200 ? escape(imgFile.replace(/^.*[/\]/g, '')) : escape(imgFile.replace(/^.*[/\]/g, '').substr(0,3))+'...') + '</b> (' + imgWidth + '<span style="margin: 0px 2px 0px 2px;">&times;</span>' + imgHeight + imgSize + ')</td><td valign=top align=right><div style="position: relative; top: -3px; cursor: pointer; font-size: 18px; height: 15px;" title="Закрыть" onclick="hideImage();"><b>&times;</b></div></td></tr></table><img style="cursor: pointer; border: 1px solid #ccc;" src="' + imgFile + '?' + (Math.floor(Math.random( ) * (10000+1))) + '" width=' + imgWidth + ' height=' + imgHeight + ' alt="" onclick="hideImage();">';
  }

  shade1.style.display = 'block';
  shade2.style.display = 'block';
  showedimage.style.display = 'block';

  return false;
}

function hideImage()
{
  var shade1 = document.getElementById('shade1');
  var shade2 = document.getElementById('shade2');
  var showedimage = document.getElementById('showedimage');

  shade1.style.display = 'none';
  shade2.style.display = 'none';
  showedimage.innerHTML = '';

  showedimage.style.border = '0';
  showedimage.style.width = '100px';
  showedimage.style.height = '40px';
  showedimage.style.marginTop = '-20px';
  showedimage.style.marginLeft = '-50px';

  shade2.style.width = '100px';
  shade2.style.height = '40px';
  shade2.style.marginTop = '-17px';
  shade2.style.marginLeft = '-47px';

  showedimage.style.display = 'none';
  return false;
}

function addStyleSheet()
{
  var style = document.createElement('style');
  document.getElementsByTagName('head')[0].appendChild(style);
  style = document.styleSheets[document.styleSheets.length - 1];
  return StyleSheet_makeCompatible(style);
}

function StyleSheet_makeCompatible(style)
{
  try { style.cssRules; }
  catch (e) { return style; }
  if (typeof style.cssRules == 'undefined' && typeof style.rules != 'undefined') style.cssRules = style.rules;
  if (typeof style.insertRule == 'undefined' && typeof style.addRule != 'undefined') style.insertRule = StyleSheet_insertRule;
  if (typeof style.deleteRule == 'undefined' && typeof style.removeRule != 'undefined') style.deleteRule = style.removeRule;
  if (typeof style.cssRules == 'undefined' || typeof style.insertRule == 'undefined' || typeof style.deleteRule == 'undefined') return null;
  else return style;
}

function StyleSheet_insertRule(rule, index)
{
  if (rule.match(/^([^{]+){(.*)}s*$/))
  {
    this.addRule(RegExp.$1, RegExp.$2, index);
    return index;
  }
  throw "Syntax error in CSS rule to be added";
}


var style = addStyleSheet();
style.insertRule('body { background-image: url(img/n.gif); background-attachment: fixed; }', style.cssRules.length);
style.insertRule('div#shade1 { width: 100%; height: 100%; position: fixed; top: 0px; left: 0px; //position: absolute; top: expression(eval(document.body.scrollTop) + "px"); background-color: black; opacity: 0.3; filter:alpha(opacity=30); }', style.cssRules.length);
style.insertRule('div#shade2 { width: 100px; height: 40px; position: fixed; top: 50%; left: 50%; margin-left: -47px; margin-top: -17px; //position: absolute; top: expression(eval(document.body.scrollTop) + (document.body.offsetHeight / 2) + "px"); background-color: black; opacity: 0.3; filter:alpha(opacity=30); }', style.cssRules.length);
style.insertRule('div#showedimage { white-space: nowrap; background-color: white; width: 100px; height: 40px; position: fixed; top: 50%; left: 50%; margin-left: -50px; margin-top: -20px; //position: absolute; top: expression(eval(document.body.scrollTop) + (document.body.offsetHeight / 2) + "px"); }', style.cssRules.length);

/* ************ */

function showHide(ID)
{
  if(document.getElementById(ID).style.display == 'none') { document.getElementById(ID).style.display = 'block' }
  else { document.getElementById(ID).style.display = 'none' }
  return false;
}

/*
function showImage(imgFile)
{
  self.location=imgFile;
}
*/

/**
 * http://www.openjs.com/scripts/events/keyboard_shortcuts/
 * Version : 2.01.A
 * By Binny V A
 * License : BSD
 */
shortcut = {
  'all_shortcuts':{},//All the shortcuts are stored in this array
  'add': function(shortcut_combination,callback,opt) {
    //Provide a set of default options
    var default_options = {
      'type':'keydown',
      'propagate':false,
      'disable_in_input':false,
      'target':document,
      'keycode':false
    }
    if(!opt) opt = default_options;
    else {
      for(var dfo in default_options) {
        if(typeof opt[dfo] == 'undefined') opt[dfo] = default_options[dfo];
      }
    }

    var ele = opt.target
    if(typeof opt.target == 'string') ele = document.getElementById(opt.target);
    var ths = this;
    shortcut_combination = shortcut_combination.toLowerCase();

    //The function to be called at keypress
    var func = function(e) {
      e = e || window.event;

      if(opt['disable_in_input']) { //Don't enable shortcut keys in Input, Textarea fields
        var element;
        if(e.target) element=e.target;
        else if(e.srcElement) element=e.srcElement;
        if(element.nodeType==3) element=element.parentNode;

        if(element.tagName == 'INPUT' || element.tagName == 'TEXTAREA') return;
      }

      //Find Which key is pressed
      if (e.keyCode) code = e.keyCode;
      else if (e.which) code = e.which;
      var character = String.fromCharCode(code).toLowerCase();

      if(code == 188) character=","; //If the user presses , when the type is onkeydown
      if(code == 190) character="."; //If the user presses , when the type is onkeydown

      var keys = shortcut_combination.split("+");
      //Key Pressed - counts the number of valid keypresses - if it is same as the number of keys, the shortcut function is invoked
      var kp = 0;

      //Work around for stupid Shift key bug created by using lowercase - as a result the shift+num combination was broken
      var shift_nums = {
        "`":"~",
        "1":"!",
        "2":"@",
        "3":"#",
        "4":"$",
        "5":"%",
        "6":"^",
        "7":"&",
        "8":"*",
        "9":"(",
        "0":")",
        "-":"_",
        "=":"+",
        ";":":",
        "'":""",
        ",":"<",
        ".":">",
        "/":"?",
        "\":"|"
      }
      //Special Keys - and their codes
      var special_keys = {
        'esc':27,
        'escape':27,
        'tab':9,
        'space':32,
        'return':13,
        'enter':13,
        'backspace':8,

        'scrolllock':145,
        'scroll_lock':145,
        'scroll':145,
        'capslock':20,
        'caps_lock':20,
        'caps':20,
        'numlock':144,
        'num_lock':144,
        'num':144,

        'pause':19,
        'break':19,

        'insert':45,
        'home':36,
        'delete':46,
        'end':35,

        'pageup':33,
        'page_up':33,
        'pu':33,

        'pagedown':34,
        'page_down':34,
        'pd':34,

        'left':37,
        'up':38,
        'right':39,
        'down':40,

        'f1':112,
        'f2':113,
        'f3':114,
        'f4':115,
        'f5':116,
        'f6':117,
        'f7':118,
        'f8':119,
        'f9':120,
        'f10':121,
        'f11':122,
        'f12':123
      }

      var modifiers = {
        shift: { wanted:false, pressed:false},
        ctrl : { wanted:false, pressed:false},
        alt  : { wanted:false, pressed:false},
        meta : { wanted:false, pressed:false}  //Meta is Mac specific
      };

      if(e.ctrlKey)  modifiers.ctrl.pressed = true;
      if(e.shiftKey)  modifiers.shift.pressed = true;
      if(e.altKey)  modifiers.alt.pressed = true;
      if(e.metaKey)   modifiers.meta.pressed = true;

      for(var i=0; k=keys[i],i<keys.length; i++) {
        //Modifiers
        if(k == 'ctrl' || k == 'control') {
          kp++;
          modifiers.ctrl.wanted = true;

        } else if(k == 'shift') {
          kp++;
          modifiers.shift.wanted = true;

        } else if(k == 'alt') {
          kp++;
          modifiers.alt.wanted = true;
        } else if(k == 'meta') {
          kp++;
          modifiers.meta.wanted = true;
        } else if(k.length > 1) { //If it is a special key
          if(special_keys[k] == code) kp++;

        } else if(opt['keycode']) {
          if(opt['keycode'] == code) kp++;

        } else { //The special keys did not match
          if(character == k) kp++;
          else {
            if(shift_nums[character] && e.shiftKey) { //Stupid Shift key bug created by using lowercase
              character = shift_nums[character];
              if(character == k) kp++;
            }
          }
        }
      }

      if(kp == keys.length &&
            modifiers.ctrl.pressed == modifiers.ctrl.wanted &&
            modifiers.shift.pressed == modifiers.shift.wanted &&
            modifiers.alt.pressed == modifiers.alt.wanted &&
            modifiers.meta.pressed == modifiers.meta.wanted) {
        callback(e);

        if(!opt['propagate']) { //Stop the event
          //e.cancelBubble is supported by IE - this will kill the bubbling process.
          e.cancelBubble = true;
          e.returnValue = false;

          //e.stopPropagation works in Firefox.
          if (e.stopPropagation) {
            e.stopPropagation();
            e.preventDefault();
          }
          return false;
        }
      }
    }
    this.all_shortcuts[shortcut_combination] = {
      'callback':func,
      'target':ele,
      'event': opt['type']
    };
    //Attach the function with the event
    if(ele.addEventListener) ele.addEventListener(opt['type'], func, false);
    else if(ele.attachEvent) ele.attachEvent('on'+opt['type'], func);
    else ele['on'+opt['type']] = func;
  },

  //Remove the shortcut - just specify the shortcut and I will remove the binding
  'remove':function(shortcut_combination) {
    shortcut_combination = shortcut_combination.toLowerCase();
    var binding = this.all_shortcuts[shortcut_combination];
    delete(this.all_shortcuts[shortcut_combination])
    if(!binding) return;
    var type = binding['event'];
    var ele = binding['target'];
    var callback = binding['callback'];

    if(ele.detachEvent) ele.detachEvent('on'+type, callback);
    else if(ele.removeEventListener) ele.removeEventListener(type, callback, false);
    else ele['on'+type] = false;
  }
}