function sendit(thisForm) {
	var Empty=false
	if (thisForm.EMail.value=="") {
		alert("请输入Email");
		document.thisForm.EMail.focus();		
		    return (false);
	}		
	email= thisForm.EMail.value;
	if (CheckEmail(email)==false)
	{
		alert("请您填写正确的邮件地址");
		document.thisForm.EMail.focus();		
		    return (false);
	}

return (true);
}
function CheckEmail(email)
{
       if (email.length1)
        {                            
	 return (false);                                     
        }                                   
       if ((email.length>0) && !(email.indexOf("@")>-1) )                                 
        {                            
	 return (false);                                     
        }                                   
       if ((email.length>0) && !(email.indexOf(".")>-1) )                                 
       { 
        return (false);                                     
       }                                   
       if (email.length<6)                                 
       { 
        return (false);                                     
       }  	
	return true;
}