javascript:回车提交表单

 
<INPUT TYPE=text NAME="hanbai_cd" SIZE=20 maxlength = 8 onkeydown=KeyDown()>
function KeyDown()
{
    if (event.keyCode == 13)
    {
        event.returnValue=false;
        event.cancel = true;
        Form1.btnsubmit.click();
    }
}