function buildString() { for(i=0;i < document.survey.elements.length ;i++) { box = document.survey.elements[i].name; for( j=0; i < box.length; j++ ) { if( box.elements[j].checked ) { // <- The problem //box = document.survey.elements[i].options[j]; //theText = theText+box.name+"="+box.value+'&'; document.write("Worked"); } } } return theText; }