JavaScript DHTML/Event onMethod/onLayoutComplete
"onLayoutComplete" Example
<source lang="html4strict">
<html><head> <script language="JavaScript">
function function1() { window.print(); }
</script> </head> <body>
Some body content to print
<input type="button"
value="Print" onclick="function1()" onlayoutcomplete="alert("The preview layout process is finished")">
</body> </html>
</source>