function printformulier() {
celInh = document.getElementById('print_content').innerHTML;
tempWin = window.open("","temp","width=500,height=400,scrollbars=yes");
tempWin.document.open();
tempWin.document.write("<\/title><\/head><body>");
tempWin.document.write(celInh);
tempWin.document.write("<\/body><\/html>");
tempWin.document.close();
tempWin.print();
tempWin.close();
}