Dynamic Dropdowns with Multiple Forms
Question:You have a great script for creating dynamic drop down boxes. But how would you adapt the script so it could be used for multiple forms in the same html document? i.e myform1, myform2 etc.
Richard Vaughan
Answer:To adapt the script for use in multiple forms on the same page amend the setOptions calls in the html to pass the form name as a second parameter eg:
setOptions(document.form1.optone.options[document..form1.optone.selectedIndex].value,"form1");
You then amend the code at the top of the javascript to read as follows
function setOptions(chosen,theform) {
var selbox = document.theform.opttwo;
This then uses the one function to populate the dynamic lists for each of the dropdowns making it easy to share the content between the dropdowns if required.
