<input name="b_print" type="button" onclick="printdiv(‘div_print‘);" value=" 打印 "/>
<script type="text/javascript">
function printdiv(printpage) {
var headstr = "<html><head><title></title></head><body>";
var footstr = "</body>";
var newstr = document.all.item(printpage).innerHTML;
var oldstr = document.body.innerHTML;
document.body.innerHTML = headstr + newstr + footstr;
window.print();
document.body.innerHTML = oldstr;
return false;
}
</script>
原文：http://www.cnblogs.com/shinelhui/p/4381370.html