function	tijiao()
	{	
		var textarea = document.getElementById("question").value;
		var chk=document.myform.users;
		if(trim(document.getElementById("question").innerHTML)=="" || document.getElementById("question").innerHTML=="不能超过50个字")
		{
			alert("请填写内容！！");
			document.getElementById("question").focus();
			return;
		}
		if(chk){
		for(var i=0;i<chk.length;i++)
		{
			if(chk[i].checked)
			{		
 			document.getElementById("u_name").value=chk[i].value;
			}
		}
		}
		var validate = trim(document.getElementById("validate").value);
		if(validate == "")
			{
			alert("请输入验证码");
			return false;
			}
		if(!isNum(validate))
			{
			alert("验证码只能为数字");
			return false;
			}
		if(validate.length != 5 )
			{
				alert("验证码只能为5位数字");
				return false;
			}
		var url = "register_check.phtml?content="+validate+"&act=validate"; //数据传递
		var ajax = InitAjax();
		ajax.open("GET", url, false);
    	ajax.send(null); 
		if(ajax.status == 200)
			{
			if(ajax.responseText == "y")
				{
				}
			else
				{
				alert("验证码错误，请重新输入");
				return false;
				}				
			}	
		document.myform.submit();
		
	}
	function selck(obj)
	{	
		if(obj.checked==true)
		document.getElementById("u_name").value ="匿名";
	}
function check(obj){
var obj;
var max=50;
if(trim(obj.value)=="" || obj.value=="不能超过50个字")
{
	obj.style.color="#999999";
}
else
{
obj.style.color="black";
}
obj.value=obj.value.substring(0,max);
}
function searchOrd()
{
	if(trim(document.seachForm.order_id.value)=="")
		{
			alert("请填写订单号！");
		}else
		{
			document.seachForm.submit();
		}
}
function diy(val,va)
{
	if(val=="m02")
	{
		document.getElementById("m02").className="ph_t1";
		document.getElementById("m01").className="ph_t2";
		document.getElementById("c02").style.display="block";
		document.getElementById("c01").style.display="none";
	}
	else
	{
		document.getElementById("m01").className="ph_t1";
		document.getElementById("m02").className="ph_t2";
		document.getElementById("c01").style.display="block";
		document.getElementById("c02").style.display="none";
	}
}