/** * @author georgewing */ function prepareCheckBox() { document.getElementById("submit").onclick = function() { selectedCheckBox(4); } } function selectedCheckBox(x) { var oInput = document.getElementsByTagName("input"); var iTotal = 0; for(var i=0;i<oInput.length;i++) { if(oInput[i].className == "checkedRadio") { if(oInput[i].checked) { //add x point iTotal = iTotal + x; } else { // add 0 point iTotal = iTotal + 0; } } } document.getElementById("Total").setAttribute("value", iTotal); alert(iTotal); }