if (document.getElementsByTagName) {
var i=0;
var inputElements = document.getElementsByTagName("input");
for (i=0; inputElements[i]; i++) {
if (inputElements[i].className && (inputElements[i].className.indexOf("inputsearch") != -1)) {
inputElements[i].setAttribute("autocomplete","off");
}//if current input element has the disableAutoComplete class set.
}//loop thru input elements
}//basic DOM-happiness-check