function preload() { 
			var imgs = preload.arguments;
			document.imageArray = new Array(imgs.length);
			for(var i=0; i<imgs.length; i++) {
				document.imageArray[i] = new Image;
				document.imageArray[i].src = imgs[i];
			}
		}


		
		function change(img_id,img_src) {
			document.getElementById(img_id).src = img_src;
		}
		
 		function right_text_size_checked() {
			
			var option_id = 12;
			
			option_id = GetCookieVal('Webb_ZUS_Taussigova_Font');
			option_id = option_id.substring(option_id.length-2, option_id.length);
			if (option_id != 10 && option_id != 14 && option_id != 16)
				option_id = 12;
			document.getElementById('text_' + option_id).selected = true;
		}
		
		function GetCookieVal(offset) {
			var endstr = document.cookie.indexOf (";", offset);
			if (endstr == -1)
				endstr = document.cookie.length;
			return unescape(document.cookie.substring(offset, endstr));
		}

		function GetCookie(name) {
			var arg = name + "=";
			var alen = arg.length;
			var clen = document.cookie.length;
			var i = 0;
			
			while (i < clen) {
				var j = i + alen;
				if (document.cookie.substring(i, j) == arg)
					return getCookieVal (j);
				i = document.cookie.indexOf(" ", i) + 1;
				if (i == 0) 
					break; 
			}
			return null;
		}
		
		
		function text_size(id) {
			var cookie_date = new Date();
			cookie_date.setDate(cookie_date.getDate() + 365);
			SetCookie('Webb_ZUS_Taussigova_Font', document.getElementById(id).value, cookie_date);
			history.go();
		}
		
		function SetCookie(name, value) { 
			
			var argv = SetCookie.arguments; 
			var argc = SetCookie.arguments.length; 
			var expires = (argc > 2) ? argv[2] : null; 
			var path = (argc > 3) ? argv[3] : null; 
			var domain = (argc > 4) ? argv[4] : null; 
			var secure = (argc > 5) ? argv[5] : false; 

			document.cookie = name + "=" + escape (value) + 
				((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
				((path == null) ? "" : ("; path=" + path)) + 
				((domain == null) ? "" : ("; domain=" + domain)) +
				((secure == true) ? "; secure" : "");
		}
		
		var message='07.02.2012 - KONCERT KLAVÍRNÍHO ODDĚLENÍ, 18:00 hod., koncertní sál | 08.02.2012 - SPOLEČNÝ KONCERT ŽÁKŮ, 18:00 hod., koncertní sál | 10.02.2012 - KONCERT ŽÁKŮ ZE TŘÍDY P. UČ. JARMILY DOLEŽALOVÉ, 17:00 hod., koncertní sál';

		var separator='   ---===xxx===---   ';
		var speed=200;
		var id='scroller';
		var start = 0;
	
		function textscroller() {
			tempmessage=message.substring(start,message.length)+separator.substring(start-message.length,separator.length);
			while (tempmessage.length < document.getElementById(id).size) 
				tempmessage += message + separator;
			document.getElementById(id).value = tempmessage;
			start++;
			if(start == (message.length + separator.length))
				start = 0;
			setTimeout("textscroller()",speed); 
		}