var img_num = 1;
/*add amount of picture in fn*/
var imgChStart = function(){
  var pic_src=this.src;
  var gal_root=pic_src.substring(0, pic_src.lastIndexOf("/"))+"/";
  var size_num=pic_src.substr((pic_src.lastIndexOf("/")+2), 1);
  img_num++;
  if(img_num==5) img_num=1;
  var current_link = gal_root+"s"+size_num+"_p"+img_num+".jpg";
  this.set('src', current_link);
}
var imgChStop = function(){
  var pic_src=this.src;
  var gal_root=pic_src.substring(0, pic_src.lastIndexOf("/"))+"/";
  var size_num=pic_src.substr((pic_src.lastIndexOf("/")+2), 1);
  $clear(img_ch_var);
  img_num=1;
  var current_link = gal_root+"s"+size_num+"_p"+img_num+".jpg";
  this.set('src', current_link);
}

var infoCh = function() {
  var x=$random(178, 354);
  $('indo-div-users').set('text', x);
  var y=$random(74, 739);
  $('indo-div-download').set('text', y);
};

var openPassDiv = function(e) {
  $('pass-div-wrap').setStyles({top: window.getScrollTop()+((window.getHeight()-150)/2), display: "block"});
  $('pass-div-wrap').tween('height', 150);
  (function(){$('pass-div').setStyle("display", "block");}).delay(700);
  $('pay-div-txt').setStyle("display", "none");
  e.stop();
};
var closePassDiv = function() {
  alert(this);
  return false;
};

var openPayWindow = function(e) {
  $('pass-div-wrap').tween('height', 300);
  (function(){$('pay-div-txt').setStyle("display", "block");}).delay(700);
  e.stop();
};

var main = function() {
  info_text_var = infoCh.periodical(3000);
  $$('.change-pic-cls').addEvent("mouseenter", function(){
  	img_ch_var = imgChStart.periodical(600, this);
  });
  $$('.change-pic-cls').addEvent("mouseleave", imgChStop);
  $$('.pass-link').addEvent("click", openPassDiv);
  $$('.pay-link').addEvent("click", openPayWindow);
};

window.addEvent('domready', main);