function GetParam(par)
  {
	  var parameter4map = par;
		  switch (parameter4map)
		  {
		  case "xmin":
		    parameter4map=102500;
		    break;
		  case "ymin":
		    parameter4map=430000;
		    break;
		  case "xmax":
		    parameter4map=107000;
		    break;
		  case "ymax":
		    parameter4map=432000;
		    break;
		  case "kaart_ow":
		    parameter4map="https://services1.arcgis.com/PtKQthzqz2KKswfG/arcgis/rest/services/ALB_CULTUUR_KUNSTWERKEN/FeatureServer/0";
		    break;
		  case "kaart_og":
		    parameter4map="https://services.arcgisonline.nl/arcgis/rest/services/Basiskaarten/PDOK_BRT/MapServer";
		    break;
		  case "popup_title":
		    parameter4map="Kunstwerk";
		    break;
		  case "popup_content":
		    parameter4map="<b>Naam: </b>\${NAAM}<br><b>Meer informatie: </b><a href='https://zaken.alblasserdam.nl/pls/idad/mozegemlayout?F_GEODOC=${PDF}' target='_new'>${PDF}</a>";
		    break;
		  case "output_fields":
		    parameter4map="NAAM";
		    break;
		  case "output_fields2":
		    parameter4map="PDF";
		    break;
		  case "search_gem":
		    parameter4map=" Alblasserdam";
		    break;
		  case "leg_title":
		    parameter4map="Kunstwerken";
		    break;
		  case "zoomlevel":
		    parameter4map=11;
		    break;
		  }
	return parameter4map;
  };