<script language="javascript">
function CountCheck()
{
var num = 0;
for(var i=0;i<document.all.length;i++)
{
if(document.all[i].type == "checkbox")
{
num = num+1;
}
}
alert(num);
}
</script>
function CountCheck()
{
var num = 0;
for(var i=0;i<document.all.length;i++)
{
if(document.all[i].type == "checkbox")
{
num = num+1;
}
}
alert(num);
}
</script>
function checkCount()
{
var num = 0;
for(var i=0;i<document.all.length;i++)
{
if(document.all[i].type.toLowerCase() == "checkbox")
{
num = num+1;
}
}
alert(num);
}
</script><form name="form1" action="" method="post" onsubmit="checkCount()">
function OkClick(){
var checksearch=eval("document.form1.search");
if(checksearch==null){
alert("请选择查询的项目,至少一项");
return false;
}
if(checksearch.length){
for(i=0;i<checksearch.length;i++){
if(checksearch[i].checked){
form1.submit();
alert("您添的信息有误,请查询!!");
return false;
}
}
}
else{
if(form1.checksearch.checked){
form1.submit();
alert("nothing");
return false;
}
}
}
</script>