Emegrency.. writing to a window

**Eric.Coleman** · Sep 29, 2003, 15:26

I have 2 popup windows... a main one and a child of the main...

I need to write from the main window to the child.. this is part of a desktop application, so here we go:

Main File: director.html

Code:

<html>
<head>
<SCRIPT TYPE="text/javascript">
<!--//
function installWindow1()
{
    netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserWrite");
    window.menubar.visible     = false;
    window.directories.visible = false;
    window.statusbar.visible   = false;
    window.toolbar.visible     = false;
    window.locationbar.visible = false;
    window.personalbar.visible = false;
    window.scrollbars.visible  = true;
    //window.fullscreen	       = true;
    window.outerWidth          = 840;
    window.outerHeight         = 630;
    window.screenY             = 0;
    window.screenX             = 0;
    //window.innerHeight         = 610;
    //window.innerWidth          = 810;
    netscape.security.PrivilegeManager.disablePrivilege("UniversalBrowserWrite");
    location.href = 'http://localhost/cvideo/director/home.php';
}
function installWindow2()
{
	day    = new Date();
	id     = day.getTime();
	w4     = window.open( 'till.html', id, 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=10,height=10');
}
function install_window()
{
    installWindow1();
    installWindow2();
}
//-->
</script>
</head>
<body onload="install_window();">
</body>
</html>

Child File (Launched from code above) till.html

Code:

<html>
<head>
<SCRIPT TYPE="text/javascript">
<!--//
function install_window()
{
    netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserWrite");
    window.menubar.visible     = false;
    window.directories.visible = false;
    window.statusbar.visible   = false;
    window.toolbar.visible     = false;
    window.locationbar.visible = false;
    window.personalbar.visible = false;
    window.scrollbars.visible  = true;
//  window.fullscreen	       = true;
    window.outerWidth          = 840;
    window.outerHeight         = 460;
    window.screenY             = 300;
    window.screenX             = 185;
    //window.innerHeight         = 610;
    //window.innerWidth          = 810;
    netscape.security.PrivilegeManager.disablePrivilege("UniversalBrowserWrite");
    location.href = 'http://localhost/cvideo/director/till.php';
}
//-->
</script>
</head>
<body onload="install_window();">
</body>
</html>

How would I do it? i tried w4.document...... but it says w4 is undefined..

-Eric

**MikeFoster** · Sep 29, 2003, 19:56

The 'javascript context' for the variable w4 is the page 'director.html'. But after installWindow1() loads the page 'home.php' the variable w4 no longer exists.

The page 'home.php' must have its own javascript which gets a reference to the child window. But that is not possible because the 'name' of the window is the time. If the child window's name was known to 'home.php' then it could doc.write to it.

It looks like there are several different ways to do this.

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