var fappVer = parseFloat(navigator.appVersion);
		var targetie = (navigator.userAgent.indexOf("Mac")>=0 || navigator.userAgent.indexOf("Windows 95")>=0 || navigator.userAgent.indexOf("Windows 98")>=0 || navigator.userAgent.indexOf("Windows ME")>=0 || navigator.userAgent.indexOf("Windows 2000")>=0 || navigator.userAgent.indexOf("Windows NT")>=0)&&(navigator.userAgent.indexOf('Opera')==-1)&&(navigator.appName != 'Netscape')&&(navigator.userAgent.indexOf('MSIE') > -1)&&(fappVer >=4);		


		var img_location = "img/";

		mnu_item = new Array();
			mnu_item[0] = img_location + "m-introduction";
			mnu_item[1] = img_location + "m-how";
			mnu_item[2] = img_location + "m-joining";
			mnu_item[3] = img_location + "m-news";
			mnu_item[4] = img_location + "m-academic";			
			mnu_item[5] = img_location + "m-pastoral";
			mnu_item[6] = img_location + "m-extraevents";			
			mnu_item[7] = img_location + "m-teaching";
			mnu_item[8] = img_location + "m-donors";
			mnu_item[9] = img_location + "m-links";
			mnu_item[10] = img_location + "m-graduates-former-students";
			mnu_item[11] = img_location + "m-media";


			
		mnu_item_cz = new Array();
			mnu_item_cz[0] = img_location + "m-introduction-cz";
			mnu_item_cz[1] = img_location + "m-how-cz";
			mnu_item_cz[2] = img_location + "m-joining-cz";
			mnu_item_cz[3] = img_location + "m-news2-cz";
			mnu_item_cz[4] = img_location + "m-academic-cz";			
			mnu_item_cz[5] = img_location + "m-pastoral-cz";
			mnu_item_cz[6] = img_location + "m-extraevents-cz";			
			mnu_item_cz[7] = img_location + "m-teaching-cz";
			mnu_item_cz[8] = img_location + "m-donors-cz";
			mnu_item_cz[9] = img_location + "m-links-cz";
			mnu_item_cz[10] = img_location + "m-absolventi-byvali";
			mnu_item_cz[11] = img_location + "m-media-cz";

			
			

		if (document.images) {
		imgon = new Array();
		imgoff = new Array();
		imgover = new Array();
		for (var i = 0; i <= 11; i++) {
		    imgoff[i] = new Image();imgoff[i].src=mnu_item[i]+".gif";
			imgover[i] = new Image();imgover[i].src=mnu_item[i]+"-b.gif";
		    }
		}
		if (document.images) {
		imgon_cz = new Array();
		imgoff_cz = new Array();
		imgover_cz = new Array();
		for (var i = 0; i <= 11; i++) {
		    imgoff_cz[i] = new Image();imgoff_cz[i].src=mnu_item_cz[i]+".gif";
			imgover_cz[i] = new Image();imgover_cz[i].src=mnu_item_cz[i]+"-b.gif";
		    }
		}


		function osvit(klik){
			name = 'menu'+klik;
			document.images[name].src = eval("imgover["+klik+"].src");
		}

		function zhasni(klik){
			name = 'menu'+klik;
			document.images[name].src = eval("imgoff["+klik+"].src");
		}
		
		function osvit_cz(klik){
			name = 'menu'+klik;
			document.images[name].src = eval("imgover_cz["+klik+"].src");
		}

		function zhasni_cz(klik){
			name = 'menu'+klik;
			document.images[name].src = eval("imgoff_cz["+klik+"].src");
		}