<Script Language="JavaScript">
function openWindow(){
window.open("placard.htm","","width=352,height=193")
}
/******************主要解释这段代码********************/
function GetCookie(name){
var search = name + "="; //这句我最不理解,为啥要加个等于符号?
var returnvalue = "";
var offset,end;
if(document.cookie.length>0){ //这是不是判断电脑里有没有cookie的?
offset = document.cookie.indexOf(search); //判断是否有自己想要的cookie存在?
if(offset != -1){
offset += search.length; //这段代码也让我很费解
end = document.cookie.indexOf(";",offset);
if(end == -1) end = document.cookie.length;
returnvalue = unescape(document.cookie.substring(offset,end));
}
}
return returnvalue;
}
function LoadPop(){
if(GetCookie("pop")==""){
openWindow();
var today = new Date()
var time="Sunday,1-jan-"+today.getYear()+1+" 23:59:59 GMC";
document.cookie="pop=yes;expires="+time;
}
}
</Script>