html中父子窗口关系

< HTML >
< HEAD >
< TITLE > showModelessDialogEX.htm </ TITLE >
< SCRIPT > ...
var sUserName = "" ;
var ss = " woaini " ;
function fnCallDialog()
... {
showModelessDialog( " myDialog.htm " ,window, " status:false;dialogWidth:300px;dialogHeight:300px " );
}
function fnUpdate()
... {
oName.innerText = sUserName;
}
</ SCRIPT >
</ HEAD >
< BODY >
< P > Enteryourfirstname: < SPAN ID ="oName" STYLE ="color:red;font-size:24" > Joan </ SPAN ></ P >
< INPUT TYPE ="button" VALUE ="显示子窗口" onclick ="fnCallDialog()" >
</ BODY >
</ HTML >

< HTML >
< HEAD >
< TITLE > myDialog.htm </ TITLE >
< SCRIPT > ...
function fnGetInfo() ... {

var sData = dialogArguments;
alert(sData.ss);
sData.sUserName = oEnterName.value;
sData.fnUpdate();
}
function fnCancel() ... {
var sData = dialogArguments;
sData.sUserName = " Joan " ;
sData.fnUpdate();
}
</ SCRIPT >
</ HEAD >
< BODY ><
<LABEL FOR ="oEnterName" ACCESSKEY ="f" >
Enteryour < SPAN STYLE ="text-decoration:underline" > F </ SPAN > irstName </ LABEL >
< INPUT ID =oEnterName >< BR >< BR >
< INPUT VALUE ="Apply" TYPE =button onclick ="fnGetInfo();" >
< INPUT VALUE ="Ok" TYPE =button onclick ="fnGetInfo();window.close();" >
< INPUT VALUE ="Cancel" TYPE =button onclick ="fnCancel();window.close();" >
</ BODY >
</ HTML >