function loadViewer(callback, el) {
					var script = document.createElement("script");  // create a script DOM node
					script.type = 'text/javascript';
					script.src = 'https://www.conceptispuzzles.com/de/html5/app/loader.js';  // set its src to the provided URL
					script.onreadystatechange = function(){callback(el)};
					script.onload = function(){callback(el)};
					document.body.appendChild(script);  // add it to the end of the head section of the page (could change 'head' to 'body' to add it to the end of the body section instead)
					}

					function popup(url, resizable)
					{
					window.open(url,'','width=500,height=500,left=0,top=0,toolbar=No,scrollbars=Yes,location=No,status=No,resizable=Yes,fullscreen=No');
					}

					function showPuzzle(el){
						if (!el){
							el = 'sud-starter-1-widget-container';
							document.write(`<div id="${el}"></div>`);
						}
						loadViewer(renderPuzzle, el);
					}

					function renderPuzzle(el)
					{
					var flashvars = 'cafurl=https://www.conceptispuzzles.com/de/index.aspx?uri=puzzle/euid/020000007880dc89b5b989273ef385f6eb4f9f3fb197c253208c7bfd18d233c3a1351df6d08cca8ed1c664fd0d6099546c9166f2d288467aed4b85f9fec84fd7c023dc23/caf&configurl=https://www.conceptispuzzles.com/de/index.aspx?uri=global/puzzle/config&mode=viewer&display=save&btn=play&btnurl=https://www.conceptispuzzles.com/de/index.aspx?uri=puzzle/euid/020000007880dc89b5b989273ef385f6eb4f9f3fb197c253208c7bfd18d233c3a1351df6d08cca8ed1c664fd0d6099546c9166f2d288467aed4b85f9fec84fd7c023dc23/play&free=0&loadurl=cookie&saveurl=cookie&bgcol=F2EAE0';
						var borderColor = '9B6D5F';
						var backgroundColor = 'F2EAE0';
						var channel = 'sud-starter-1';
						var base = 'https://www.conceptispuzzles.com/de/';
						var blockStyle = 'background-color:#' + backgroundColor + ';width: 181px; margin-bottom: 10px; border: 1px solid #' + borderColor;
						var h1Style = 'margin: 0; padding: 1px 0px 3px 3px; font: bold 10px Verdana; letter-spacing: 3px; color: white; text-align: center; background-color: #' + borderColor;
						var dlStyle = 'margin: 10px 0 0px 0px; padding: 0 0 5px 0; width: 163px; min-width: 163px; text-align: left;';
						var dtStyle = 'height: 147px;';
						var objectStyle = 'float: none; margin: 0px';
						var fontStyle = 'font-family: Verdana, Tahoma;font-size: 10px;'
						var ddStyle = fontStyle + 'padding-top: 2px; _padding-top: 0; margin: 0 0 0 17px; line-height: 10px; color: #000000;';
						var brandStyle = ddStyle + 'font-weight: bold; padding: 0; color:#' + borderColor + '; margin-top: 3px; _margin-top: 3px;';
						var aTitleStyle = fontStyle + 'text-decoration: none;color: white;';
						var linksStyle = ddStyle + 'font-weight: bold; margin-top: 5px;';
						var spanStyle = 'margin-right: 10px;';
						var ruleslinkid = channel + 'ruleslink';
						var morepuzzleslinkid = channel + 'morepuzzleslink';
						var playonmobilelinkid = channel + 'playonmobilelink';
						var rootId = 'content-sud-starter-1';
						var familyAb = 'sud';
					
						var template = `<div style="${blockStyle}">
						<h1 id="cncptsh1" style="${h1Style}">Conceptis puzzles</h1>
						<dl style="${dlStyle}">
						<dt style="${dtStyle}">
					
						<div id="${rootId}" class="viewerhtml">
						</div>

						<dd style="${brandStyle}"><font class="${fontStyle}">Classic Sudoku</font></dd>
						
							<dd style="${ddStyle}"><font class="${fontStyle}">Level: Mittel</font>
							</dd>
						
						<dd style="${linksStyle}">
						<span style="${spanStyle}" ><a href="https://www.conceptispuzzles.com/index.aspx?uri=puzzle/sudoku/rules&src=widget&ver=sud-starter-1" target="_blank" onmouseover="hoverLink(\'${ruleslinkid}\')" onmouseout="outLink(\'${ruleslinkid}\', \'9B6D5F\')" id="${ruleslinkid}" style="text-decoration: underline;" >
						Regeln
						</a></span>
						
								<a href="https://www.conceptispuzzles.com/index.aspx?uri=puzzle/sudoku&src=widget&ver=sud-starter-1" target="_blank" onmouseover="hoverLink(\'${morepuzzleslinkid}\')" onmouseout="outLink(\'${morepuzzleslinkid}\', \'9B6D5F\')" id="${morepuzzleslinkid}" style="text-decoration: underline;" >
								Weitere Rätsel
								</a>
							
						</dd>
						</dl>
						</div>`
						document.getElementById(el).insertAdjacentHTML('beforeend', template);
						outLink(ruleslinkid, borderColor);
						outLink(playonmobilelinkid, borderColor);
						outLink(morepuzzleslinkid, borderColor);

						conceptispuzzles_loader({
							element: rootId,
							family: familyAb,
							type: "viewer",
							root: base + "html5/app/",
							width: "165",
							height: "147",
							parameters: Object.fromEntries(new URLSearchParams(flashvars))
						});
					}

					function hoverLink(elementName){
						document.getElementById(elementName).style.color = "#005893";
					}
					
					function outLink(elementName, col){
						var el = document.getElementById(elementName);
						if (el){
							el.style.color = "#" + col;
						}
					}