function copyrightYear(firstYear) {
	var d = new Date();
	var thisYear = d.getFullYear();
	firstYear < thisYear ? document.write(firstYear,"-",thisYear) : document.write(firstYear);
}
<!--
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->