/* display year */
var date = new Date();
var yy = date.getYear();
var year = (yy < 1000) ? yy + 1900 : yy;

/* centered pop up window */
function centeredPopUpWindow(mypage, myname, w, h, scroll){
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}