// add a print icon to the page, on two conditions:
// 1. the javascript window.print object exists
// 2. the page contains an element with id printIcon
function addPrintIcon() {
	if (window.print) {
		var div = document.getElementById("printIcon");
		if (div) {
			div.innerHTML = "<a href=\"javascript:window.print()\" " + 
				"title=\"print deze pagina\">" + 
				"<img src=\"/images/icons/print.png\" " +
				"alt=\"print\" /></a>";
		}
	}
}