function doPrint() {
inhoud = "";
if (document.getElementById("intro")) inhoud += document.getElementById("intro").innerHTML;
if (document.getElementById("kolom2")) inhoud += document.getElementById("kolom2").innerHTML;
if (document.getElementById("kolom3")) inhoud += document.getElementById("kolom3").innerHTML;
inhoud += "
Pagina printen Venster sluiten";
text = "Printvriendelijke versie";
text += "";
text += " |
| "+inhoud+" |
";
printWin = window.open('','','width=700,height=600,scrollbars=yes,resizable=yes,titlebar=0');
printWin.document.write(text);
printWin.document.close();
printWin.print();
}