How to capture and save image from hikvision using img tag in html

[wasif]

Below is my code, please help for saving a image on a specified location.


<a href ="admin:wasif123@192.168.0.3/Streaming/Channels/1/preview">
<img src="http://admin:wasif123@192.168.0.3/Streaming/Channels/1/picture" width="800" height="600" id="preview" onload="aa();">
</a>