	var click_dis = false;

	function roll(item) {
		var pom;
		if (item.classNameRoll) {
			pom = item.classNameRoll;
			item.classNameRoll = item.className;
			item.className = pom;
		} else {
			item.classNameRoll = item.className;
			item.className = 'active';
		}
	}

	function clickme(item) {
		var pom;
		if (click_dis)
		{
			click_dis = false;
			return;
		}
		if (item.className == item.classNameRoll) {
			item.classNameRoll = item.classNameClick;
			item.className = 'activ';
		} else {
			item.classNameClick = item.classNameRoll
			item.className = 'click';
			item.classNameRoll = 'click';
		}
	}

	function openPage(url, target, width, height) {
		lefti = (window.screen.width / 2) - (width / 2);
		topi = (window.screen.height / 2) - (height / 2);

		options = 'margin=5,scrollbars=yes,toolbar=0,resizable=yes,menubar=0'+(width>0&&height>0?',top=' + topi + ',left=' + lefti + ',width=' + width + ',height=' + height:'');
		win = window.open(url, target, options);
		win.focus();

		//zastaveni pripadneho probublavani
		click_dis = true;

		return (typeof(win) != 'object');
	}

	function openPicture(url, target, width, height) {
		width+=6;
		height+=6;
		lefti = (window.screen.width / 2) - (width / 2);
		topi = (window.screen.height / 2) - (height / 2);

		options = 'scrollbars=no,toolbar=0,resizable=yes,menubar=0'+(width>0&&height>0?',top=' + topi + ',left=' + lefti + ',width=' + width + ',height=' + height:'');
		popup = window.open('', target, options);
		html = "<HTML><HEAD><TITLE>Photo</TITLE>" +
		  "</HEAD><BODY style='margin:3px;'>" 
		  + "<a href='javascript:window.close();'><IMG SRC='" + url + "' style='border:none;' " 
		  + "></a>"
		  + "</BODY></HTML>";

		popup.document.write(html);
		
		popup.focus();

		//zastaveni pripadneho probublavani
		click_dis = true;

		return (typeof(popup) != 'object');
	}

