var request = new XMLHttpRequest(),
type = 'POST',
data = {u:"type=1s&mbet=47&kolvos=12&diams=300&visotas=300&diamss=400&visotass=20&shirinalenty=6&dlinalenty=8&visotalenty=70&tolshinalenty=40&dlinalenty2=4&dlinasterjna=11.7&sdoski=15&ddoski=600&tdoski="};
request.open(type, 'http://test.ru', true);
request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
request.send(data);<a href="http://hainantravel.me/maps/hainan_map.html?dadunhgai&yalongbay&h_y">ссылка</a>var q = window.location.search;
var arr = q.slice(1).split('&');
var i = document.querySelectorAll('input[type="checkbox"]');
i.forEach(function(a) {
arr.forEach(function(b) {
var v = a.getAttribute('value');
if(v == b) {
a.checked = true;
}
});
});var links = [],
el = document.querySelectorAll('.el_list_link');
el.forEach(function( item ) {
var link = item.querySelector( 'a' ).getAttribute('href');
links.push( link );
});
for (var i = 0; i < links.length; i++) {
window.open(links[i]);
};