제 인장에도 있지만, 작은 이미지가 흐르면서 그걸 누르면 크게 뜨는 형식인데 자바 스크립트에선 적용이 되는데 인벤 스크립트에서는 적용이 안되더라고요.

이걸 인벤 스크립트에서도 쓸 수 있게 할 방법은 없을까요?

소스는

<div id="lecture3">
<div>
<marquee direction="left" height="100" scrollamount="4">
<table cellpadding="0" cellspacing="0">
<tr>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i1819974738.gif" style="height:100px;"></td>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i0356670575.gif" style="height:100px;"></td>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i0798979619.gif" style="height:100px;"></td>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i3323869509.gif" style="height:100px;"></td>
</tr>
</table>
</marquee>
<marquee direction="right" height="100" scrollamount="4">
<table cellpadding="0" cellspacing="0">
<tr>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i1941820822.gif" style="height:100px;"></td>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i3457300073.gif" style="height:100px;"></td>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i0286783385.gif" style="height:100px;"></td>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i3723869309.gif" style="height:100px;"></td>
<td style=font-size:9pt;line-height:150%;><img onclick="document.getElementById('main_img_3').src=this.src;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i3985134392.gif" style="height:100px;"></td>
</tr>
</table>
</marquee>
</div>
<div><img id="main_img_3" style="max-width:450px;" src="https://upload.inven.co.kr/upload/2014/08/28/bbs/i1819974738.gif"></div>
</div>

에서 이미지링크만 수정해서 만들었어요.