function init() { var newHidden = document.createElement("input"); newHidden.setAttribute('type','hidden'); newHidden.setAttribute('value','ae47a7b6cb472b2be62293e3b220e41f'); newHidden.setAttribute('name','sid'); var formRef = document.getElementsByTagName("form").item(0); formRef.appendChild(newHidden); } function addLoadEvent(func) { var oldonload = window.onload; if (typeof window.onload != 'function') { window.onload = func; } else { window.onload = function() { if (oldonload) { oldonload(); } func(); } } } addLoadEvent(init);