/**
 * Standard java script for the project:
 * "Homepage for Prof. Dr. Helge Willner".
 *
 * @author	Netcee <mail@netcee.de>
 * @version	2004-10-29
 * @todo	Workaround for NN4
 */
 
 
/* Hide and show objects ============================================== */
function openWindow (object) {
 url       = "./html/"+object+".html";
 parameter = "locationbar=no,menubar=no,resizable=no,status=no,scrollbars";
 frame     = window.open(url,"winopen","width="+700+",height="+500+","+parameter);
 frame.moveTo(screen.width/2-width/2,screen.height/2-height/2)
}

function isVisible (object) {
  return (document.getElementById(object).style.display == 'block');
}

function hide (object) {
  document.getElementById(object).style.display = 'none';
}

function show (object) {
    document.getElementById(object).style.display = 'block';
}
/* ========================================= end: hide and show objects */