//求单选按纽的值,适用单选项及多选项。未选返回false;有选择项,返回选项值。
function CheckRadio(theRadio){
var theRadioLen = theRadio.length;
var theRadioValue = false;
if (theRadioLen == undefined){
if (theRadio.checked){
theRadioValue = theRadio.value;
}
}else{
for (theRadioI=0;theRadioI if (theRadio[theRadioI].checked){ theRadioValue = theRadio[theRadioI].value; break; } } } return theRadioValue; } theRadio这个取值:表单名.元素名称