function popper(whichpage, w, h) {//v1.0
	popperwin = window.open(whichpage,'mypopperwin','titlebar=no,toolbar=no,location=no,scrollbars=no,statusbar=no,personalbar=no,width='+w+',height='+h);
	if (popperwin.screen) {
		var ww = ((screen.availWidth - w) / 2);
		var wh = ((screen.availHeight - h) / 2);
		popperwin.moveTo(ww, wh);
	}
}