传值页面：
<input id="newcook" type="text" value="" /><input id="setcook" type="button" value="设置" />
<script>
//cookie名、值、作用路径、过期时间
function setCookie(name,value,path,time)
{
var Days = time;//过期时间，单位分
var exp = new Date();
exp.setTime(exp.getTime() + Days*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString() + ";path=" + path;
}
$('#setcook').on('click',function(){
var newcook = $('#newcook').val();
setCookie("newcook",newcook,"/",0.2);//如果需要关闭浏览器即删除cookie，则time参数可为空（不可为0）
});
</script>
取值页面：
<input id="newcook" type="text" value="" />
<script>
function getCookie(name) {
var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
if (arr = document.cookie.match(reg)) {
return unescape(arr[2]);
} else {
return null;
}
}
$('#newcook').val(getCookie("newcook"));
</script>
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