Чистка стены вк

function Z3WcleanWall() {
var its_my_page = window.document.body.querySelector('#l_pr>a');
its_my_page.click();
window.scrollTo(0,document.body.scrollHeight);
deletePostLink = window.document.body.querySelectorAll('a.ui_actions_menu_item[onclick^="wall.deletePost"]');
for ( var i = 0; i < deletePostLink.length; i++) {
deletePostLink[i].click();
}
window.console.log(deletePostLink.length + ' posts deleted ||' + i + ' times cleanWall');
if(1>=i){
alert('VSE');
window.console.log('VSE');
clearInterval(cleanMyWall);
}
}
cleanMyWall = setInterval(Z3WcleanWall, 5000);
setTimeout(stopcleanMyWall, 720000);
function stopcleanMyWall() {
clearInterval(cleanMyWall);
alert('VSE');
}