About javascr ipt under pulls the frame, realized has double-clicked the automatic fluctuation the function

本程序实现的功能是具有自动选择功能的组合框， 所谓具有自动选择功能的组合框，是指在输入时，列表中匹配当前文本的项目被自动选择-this program is the function automatically selects the combination of functional box, The so-called automatic choice with a combination of functional box, refers to the importation, the

一 程序的整体结构 1 拨号功能,自动响应功能,能使用ATDT命令拨号-A program 1 dial-up function, the overall architecture of the automatic response function, can use ATDT command dial