function check()
{
	var Chinese=new RegExp(/(^\w{1,32}$|[\u0391-\uFFE5]+$)/);		//只能输入中文,数字,和英文
	var Num= new RegExp(/^[0-9]\d*$/i);							//只能输入数字
	var Email= new RegExp(/\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w)*/);			//E-Mail
	
	var title=formzx.title.value;			//标题
	var username=formzx.username.value;		//联系人
	var phone=formzx.phone.value;			//电话号码
	var email=formzx.email.value;			//E-mail
	
	var istitle=title.match(Chinese);
	var isname=username.match(Chinese);
	var isphone=phone.match(Chinese);
	var isemail=email.match(Email);
	

	if (title!="")
	{
		if(!istitle)
		{
			alert("请不要输入非法字符");
			formzx.title.focus();
			return false;				
		}
	}
	
	if (username=="")
	{
		alert("请填写姓名!");
		formzx.username.focus();
		return false;			
	}
	else
	{
		if(!isname)	
		{
			alert("请不要输入非法字符");
			formzx.username.focus();
			return false;				
		}
	}
	
	
	if (email=="")
	{
		alert("请填写E-Mail");
		formzx.email.focus();
		return false;			
	}
	else
	{
		if(!isemail)
		{
			alert("E-Mail地址不正确");
			formzx.email.focus();
			return false;				
		}
	}
}

function del()
{
if (window.confirm('确定删除记录?'))
{
	return true;
}
else
{
	return false;
}


}

function checksearch()
{
	if (search1.searchtext.value=="")
	{
		alert("请输入关键字");
		search1.searchtext.focus();
		return false;		
	}
	var sechlen=search1.searchtext.value
	
	if (sechlen.length>22)
	{
		alert("关键字长度超过限制");
		search1.searchtext.focus();
		return false;			
	}
}