return"An iframe element. Any kind of locally avaliable url can be inserted as an iframe, by using a list input with the ip or url as the first member and port as optional second member.";
if (v_customData.maximumValue>v_customData.minimumValue&&v_customData.minimumValue>=0&&v_customData.maximumValue>=0&&v_customData.maximumValue>=value&&v_customData.minimumValue<=value){
return"A value scale view. Requires a list whose first element is a percentage. Optionally, non percentage numbers can be given, but minimum and maximum range should be defined in custom data. Defaults are minimum 0 and maximum 100.";