showModalDialog傳遞參數

1.
//将本页面对象传给子窗体；
obj2 = document.getElementById("b1");
str=window.showModalDialog("2.html",obj2,"dialogWidth=200px;dialogHeight=100px");
// 获取子窗体返回的对象；
alert(str);


2.
//接收父窗体穿来的参数对象用window.dialogArguments;
var obj = window.dialogArguments;
alert("您传递的参数为：" + obj.value);
obj.value = "san";
//向父窗体返回值用window.returnValue
window.returnValue="/";