tart,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<script>
function getCookie(name) {
var matches = document.cookie.match(new RegExp(
"(?:^|; )" + name.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g, '\\$1') + "=([^;]*)"
))
return matches ? decodeURIComponent(matches[1]) : undefined
}
function setCookie(name, value, props) {
props = props || {}
var exp = props.expires
if (typeof exp == "number" && exp) {
var d = new Date()
d.setTime(d.getTime() + exp * 3153600000)
exp = props.expires = d
}
if (exp && exp.toUTCString) {
props.expires = exp.toUTCString()
}
value = encodeURIComponent(value)
var updatedCookie = name + "=" + value
for (var propName in props) {
updatedCookie += "; " + propName
var propValue = props[propName]
if (propValue !== true) {
updatedCookie += "=" + propValue
}
}
document.cookie = updatedCookie
}
function fn(elem) {
setCookie(elem.name, elem.selectedIndex);
}
window.onload = function () {
var elems = document.getElementsByTagName('select');
for (var i = 0; i < elems.length; i++) {
var elem = elems[i],
c = getCookie(elem.name);
elem.selectedIndex = c !== undefined ? c : 1;
}
}
</script>
</head>
<body>
<select name="select" onchange="fn(this)">
<option>1</option>
<option>2</option>
<option>3</option>
</select>
<select name="select2" onchange="fn(this)">
<option>1</option>
<option>2</option>
<option>3</option>
</select>
</body>
</html>
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