function open_window(theURL, pWidth, pHeight, scroller) { 
	if (scroller == 1) {
		scroll_option = "scrollbars=yes";
	}
	else {
		scroll_option = "scrollbars=no";
	}
	features = "toolbar=no,status=no,menubar=no,resizable=no," + scroll_option + ",width=" + pWidth + ",height=" + pHeight;
	window.open(theURL,'pop_info', features);
}