var maxBtn= '/html/body/div[2]/div/main/div/div/div[4]/div/div/div/div[2]/form/div[1]/div/div[2]/div[2]/button[6]';
var orderBtn = '/html/body/div[2]/div/main/div/div/div[4]/div/div/div/div[2]/form/div[4]/button';
var closeBtn = '/html/body/div[2]/div/main/div/div/div[5]/div/div/div/div[2]/div/div/div/table/tbody/tr/td[8]/div/button[2]';
var confirmBtn = '/html/body/div[3]/div/div/div[2]/div[3]/div/button';
function clickButton(buttonXPath) {    
    const button = document.evaluate(buttonXPath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;    
    if (button) {    
        button.click();    
    }
}
function getElementByXpath(path) {
  return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}

function clickMax() {
   if(getElementByXpath(maxBtn)) {
      clickButton(maxBtn);
      setTimeout(clickOrder, 1000);   
   } else {
      setTimeout(clickOrder, 1000);   
   }
}

function clickOrder() {
   if(getElementByXpath(orderBtn)) {
      clickButton(orderBtn);
      setTimeout(clickClose, 5000);   
   } else {
      setTimeout(clickClose, 5000);   
   }
}

function clickClose() {
   if(getElementByXpath(closeBtn)) {
      clickButton(closeBtn);
      setTimeout(clickConfirm, 1000);   
   } else {
      setTimeout(clickConfirm, 1000);   
   }
}

function clickConfirm() {
   if(getElementByXpath(confirmBtn)) {
      clickButton(confirmBtn);
      setTimeout(clickMax, 5000);   
   } else {
      setTimeout(clickMax, 5000);   
   }
}
clickMax();

var buyTab = '/html/body/div[2]/div/main/div/div/div[4]/div/div/div/div[1]/div[2]/div/button[1]';
var sellTab = '/html/body/div[2]/div/main/div/div/div[4]/div/div/div/div[1]/div[2]/div/button[2]';
var maxBtn= '/html/body/div[2]/div/main/div/div/div[4]/div/div/div/div[2]/form/div[1]/div/div[2]/div[2]/button[6]';
var orderBtn = '/html/body/div[2]/div/main/div/div/div[4]/div/div/div/div[2]/form/div[3]/button';

function clickButton(buttonXPath) {
const button = document.evaluate(buttonXPath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
if (button) {
button.click();
}
}
function getElementByXpath(path) {
return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}

function clickBuyTab() {
if(getElementByXpath(buyTab)) {
clickButton(buyTab);
setTimeout(clickMax, 1000);
} else {
setTimeout(clickMax, 1000);
}
}

function clickMax() {
if(getElementByXpath(maxBtn)) {
clickButton(maxBtn);
setTimeout(clickOrder, 1000);
} else {
setTimeout(clickOrder, 1000);
}
}

function clickOrder() {
if(getElementByXpath(orderBtn)) {
clickButton(orderBtn);
setTimeout(clickSellTab, 5000);
} else {
setTimeout(clickSellTab, 5000);
}
}

function clickSellTab() {
if(getElementByXpath(sellTab)) {
clickButton(sellTab);
setTimeout(clickMax2, 1000);
} else {
setTimeout(clickMax2, 1000);
}
}

function clickMax2() {
if(getElementByXpath(maxBtn)) {
clickButton(maxBtn);
setTimeout(clickOrder2, 1000);
} else {
setTimeout(clickOrder2, 1000);
}
}

function clickOrder2() {
if(getElementByXpath(orderBtn)) {
clickButton(orderBtn);
setTimeout(clickBuyTab, 5000);
} else {
setTimeout(clickBuyTab, 5000);
}
}

clickBuyTab();