Solve the problem that flash blocking layer is invalid with Z-index

Source: Internet
Author: User

In HTML, if you embed Flash, Flash is placed at the top of the page by default. That is, using absolute positioning, the z-index is set to infinity, and any element in the page cannot be covered. At this time, there are two ways to control the Flash Z-index
1. When embedding Flash, set the wmode parameter of Flash to opaque
2. When embedding Flash, set the wmode parameter of flash to transparent
The corresponding IE and Firefox codes are shown below, taking method 1 as an example:
ie under: <param name= "wmode" value= "opaque" >
Under Firefox: <embed src= "http://www.xxx.com/xxx.swf" Quality=high width=800 height=600

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Wmode=opaque type= ' Application/x-shockwave-flash ' ></embed>

Reason:
There are several modes of flash embedding:
1. Windows (window)
The display mode by default. In this mode, Flash Player has its own window handle, which means that the Flash movie is a display instance that exists in Windows and is on top of the browser's core display window, so flash just looks like it appears in the browser, But this is also the fastest and most efficient rendering mode for Flash. Since he is a browser-independent HTML rendering surface, this results in the default display in which Flash will always obscure all the DHTML layers where the location coincides with him. But most Apple browsers will allow the DHTML layer to appear on top of flash, but when the Flash movie is playing it can be tricky, such as the DHTML layer showing the exception as if it were scraped off by Flash.
2, opaque windowless (opaque)
This is a windowless mode, in which case Flash Player does not have its own window handle, which requires the browser to tell Flash Player when and where to draw the render surface of the browser. In this case, the Flash movie will not be higher than the browser HTML rendering surface but with other elements on the same page, so you can use the Z-index value to control the DHTML element is obscured flash or obscured.
3, transparent windowless (transparent)
Transparent mode, in this mode, Flash Player will have the background color alpha value of stage 0 and will only draw the real visible object on the stage, and you can also use Z-index to control the depth value of the Flash movie. However, unlike opaque mode, this reduces the playback effect of the Flash movie, and the Flash Player version setting wmode= "opaque" or "transparent" before 9.0.115 causes full-screen mode to fail.

Solve the problem that flash blocking layer is invalid with Z-index

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