<html>
<head>
<script>
function ChangeWidows()
{
document.getElementById("p1").style.widows=document.getElementById("widows").value;
}
</script>
<style>
.othercontent
{
width:400px;
border-top:19cm solid #c3c3c3;
}
@page
{
/* set size of printed page */
size:21cm 27cm;
margin-top:2cm;
}
@media print
{
.widows
{
widows:2;
}
}
</style>
</head>
<body>
<div class="othercontent">
<input id="widows" value="2">
<button onclick="ChangeWidows();">Change widows</button>
<p style="font-size:120%" id="p1">
Change widows and see the print preview.<br>
Line 2<br>
Line 3<br>
Line 4<br>
Line 5<br>
Line 6<br>
Line 7<br>
Line 8<br>
</p>
<div class="othercontent">
</div></div></body>
</html>