function openNewWindow() {
	var MaxX = (this.screen.availWidth - 10);
	var MaxY = (this.screen.availHeight - 10);
 	popupWin = window.open('gallery.asp', 'open_window', 'menubar=no, toolbar=no, location=no, directories=no, status=no, scrollbars=no, resizable=yes, dependent=no, width='+MaxX+', height='+MaxY+', left=0, top=0')		 
}