var Page_INIT = function () {

$(document).bind("mouseover", function (e) {
   //鼠标移入

if (e.target.tagName.toUpperCase() == "INPUT") {

var input = e.target;

if (input.type == "text") {
   //如果是文本框

if (window.Page_FocusTimer) {
   //如果处于焦点状态

window.clearTimeout(window.Page_FocusTimer);//清除焦点状态

}

window.Page_FocusTimer = window.setTimeout(function () {

//每０.２豪秒去执行这个匿名方法一次

if (!input.value) {
   //如果内容为空，则设为焦点

try {

input.focus();

} catch (e) { }

}

}, 200);

}

}

}).bind("mouseout", function (e) {
   //鼠标移出

if (e.target.tagName.toUpperCase() == "INPUT") {

//被处理的事件源对象它的名称（即ＨＴＭＬ标记）转为大写后如果是INPUT

var input = e.target;

if (input.type == "text") {

if (window.Page_FocusTimer) {

window.clearTimeout(window.Page_FocusTimer);

}

}

}

});

}