html - Radio Button and an Input field -


i wanna set form users can choose set of radio buttons , if dont choice can use last radio button have text field can enter custom text.

i have seen on few sites. wondering , how implemented

i made example, wanted? http://www.jsfiddle.net/t7ge7/

var temp = ''; function disabletxt() {     var field = document.getelementbyid("other");     if(field.value != '') {         temp = field.value;     }     field.style.display = "none";     field.value = ''; } function enabletxt() {     document.getelementbyid("other").style.display = "inline";     document.getelementbyid("other").value = temp; }

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