Welcome to browse the page of Brent Crude Price Chart which shows the current Brent crude oil price and its fluctuation width, previous close price and open price, etc. var dom1 = document.querySelector('#form1783 #field1');var field1 = new LiveValidation(dom1, {validMessage: "", onlyOnBlur: false, wait: 300});field1.add(Validate.Presence, {failureMessage:"This field is required"});field1.add(Validate.Format, {pattern: /(^[A-Z0-9!#$%&'\*\+\-\/=\?\^_`\{\|\}~][A-Z0-9!#$%&'\*\+\-\/=\?\^_`\{\|\}~\.]{0,62}@(([A-Z0-9](?:[A-Z0-9\-]{0,61}[A-Z0-9])?)(\.[A-Z0-9](?:[A-Z0-9\-]{0,61}[A-Z0-9])? Please visit the exchange for the exact opening and closing times and double the check oil prices for discrepancies. @/i, failureMessage: "A valid email address is required", negate: "true"});var dom2 = document.querySelector('#form1783 #field2');var field2 = new LiveValidation(dom2, {validMessage: "", onlyOnBlur: false, wait: 300});field2.add(Validate.Presence, {failureMessage:"This field is required"});var dom5 = document.querySelector('#form1783 #field5');var field5 = new LiveValidation(dom5, {validMessage: "", onlyOnBlur: false, wait: 300});field5.add(Validate.Custom, {against: function(value) {return !value.match(/(telnet|ftp|https?):\/\/(?:[a-z0-9][a-z0-9-]{0,61}[a-z0-9]\.|[a-z0-9]\. Interactive daily chart of Brent (Europe) crude oil prices over the last ten years. Stock quotes by finanzen.net, The price of oil is the most important value on international commodity markets since crude oil is the most important commodity. For the purposes of trading on futures exchanges in London or New York, however, reference oils are used. )+[a-z]{2,63}/i);}, failureMessage: "Value must not contain any URL's"});field5.add(Validate.Presence, {failureMessage:"This field is required"});field5.add(Validate.Length, {tooShortMessage:"Invalid length for field value", tooLongMessage: "Invalid length for field value", minimum: 4, maximum: 4});function handleFormSubmit(ele) { var submitButton = ele.querySelector('input[type=submit]'); var spinner = document.createElement('span'); spinner.setAttribute('class', 'loader'); submitButton.setAttribute('disabled', true); submitButton.style.cursor = 'wait'; submitButton.parentNode.appendChild(spinner); return true; }function resetSubmitButton(e){ var submitButtons = e.target.form.getElementsByClassName('submit-button'); for(var i=0;i