<form name="form1" method="post" action="">
<input type=img onclick=judge()>
</form><script language="JavaScript">
function judge() {
if(校验不通过){
self.event.returnValue=false;
}else {
form1.submit();
}
}
</script>
<input type=img onclick=judge()>
</form><script language="JavaScript">
function judge() {
if(校验不通过){
self.event.returnValue=false;
}else {
form1.submit();
}
}
</script>
function judge() {
if(校验不通过){
//self.event.returnValue=false;
return 0;//这样也可
}
form1.submit();
}
</script>