window.isIE4 = (navigator.appVersion.indexOf('MSIE') > 0) && (parseInt(navigator.appVersion) >= 4);
	function add0(val) {
		return val < 10 ? '0' + val.toString() : val;
	}

	function buildTime() {
		var time = new Date();
		switch (time.toString().substr(0,3)) {
			case 'Mon' :
				day = 'понеділок';
				break;
			case 'Tue' :
				day = 'вівторок';
				break;
			case 'Wed' :
				day = 'середа';
				break;
			case 'Thu' :
				day = 'четвер';
				break;
			case 'Fri' :
				day = 'пятниця';
				break;
			case 'Sat' :
				day = 'субота';
				break;
			case 'Sun' :
				day = 'неділя';
				break;
			default :
				day = '';
		}
		
		return day + ' ' + add0(time.getHours()) + ':' + add0(time.getMinutes()) + ':' + add0(time.getSeconds());
	}

	function tick() {
		document.all.clock.innerText = buildTime();
	}

	window.onload = new Function('if(window.isIE4) setInterval("tick()",1000)');

	function window_open(addr, width, height) {
		var w, h, s;
		w = screen.width/2;
		h = screen.height/2;
	    s = 'top='+(h-height/2 - 20)+',left='+(w-width/2)+','+'width='+width+',height='+height+',';
	    window.open(addr, 'NewWindow', s + 'status=yes');
	}

 function swapMenu(item) {
  if (document.getElementById(item)) {
    if (document.getElementById(item).style.display=='block')
	document.getElementById(item).style.display='none'
    else 
	document.getElementById(item).style.display='block';
  }
  return false;
 }