Source:
<head>
<script language="javascript" type="text/javascript">
<!--
leftPos = 0;
topPos = 0;
xyLo = 600;
yyLo = 600;
if (screen){
leftPos = screen.width-xyLo
topPos = screen.height-yyLo
}
function newWindow(){
fishWindow = window.open('lesson_5/lesson_5.jpg', 'fishWin', 'width=370,height=265,screenX='+leftPos+',screenY='+topPos+',left='+leftPos+',top='+topPos+'')
}
//-->
</script>
<head>
<body>
<dd><a href="javascript:newWindow()">New Window</a></dd>
</body>