Dear tom chan
Please go to your_site\templates\sj_vinda\templateDetails.xml and find:
<positions>
<position>slideshow</position>
<position>breadcrumb</position>
<position>topbanner</position>
<position>topmenu</position>
<position>maintop1</position>
<position>maintop2</position>
<position>mainbottom1</position>
<position>mainbottom2</position>
<position>left</position>
<position>right</position>
<position>top1</position>
<position>top2</position>
<position>top3</position>
<position>top4</position>
<position>top5</position>
<position>top6</position>
<position>top7</position>
<position>top8</position>
<position>top9</position>
<position>bottom1</position>
<position>bottom2</position>
<position>bottom3</position>
<position>bottom4</position>
<position>bottom5</position>
<position>bottom6</position>
<position>bottom7</position>
<position>bottom8</position>
<position>bottom9</position>
<position>mega1</position>
<position>mega2</position>
<position>syndicate</position>
<position>debug</position>
</positions>
=>
<positions>
<position>slideshow</position>
<position>breadcrumb</position>
<position>maintop1</position>
<position>left</position>
<position>right</position>
<position>top1</position>
<position>top2</position>
<position>top3</position>
<position>top4</position>
<position>top5</position>
<position>top6</position>
<position>tab1</position>
<position>position-h1</position>
<position>bottom1</position>
<position>bottom2</position>
<position>bottom3</position>
<position>bottom4</position>
<position>bottom5</position>
<position>bottom6</position>
<position>bottom7</position>
<position>bottom8</position>
<position>bottom9</position>
<position>footer</position>
<position>mega1</position>
<position>mega2</position>
<position>notice</position>
<position>sticky_right</position>
<position>sticky_left</position>
<position>tool_bottom</position>
<position>syndicate</position>
<position>debug</position>
</positions>
Thanks!