function secBoard(n)   
{   
for(i=0;i<secTable.cells.length;i++)   
secTable.cells[i].className="sec1";   
secTable.cells[n].className="sec2";   
for(i=0;i<mainTable.rows.length;i++)   
mainTable.rows[i].style.display="none";   
mainTable.rows[n].style.display="block";   
} 

function bbb()
{ var xz =document.getElementById("sousuo").value;
  if (xz== "新闻搜索！！")
   document.getElementById("sousuo").value = "";}
function eee() 
{  var xz = document.getElementById("sousuo").value;
   if(xz=="")
   document.getElementById("sousuo").value= "新闻搜索！！";  }
function ccc()
{
var xz = document.getElementById("sousuo").value;
if(xz==""||xz==null||xz=="新闻搜索！！")
{
   alert("你总得要让我知道要找什么吧！！！");
   document.getElementById("sousuo").focus();
}
else
{
location.replace("membersos.aspx?sousuo="+xz)
}
}

function mhy()
{ var xz =document.getElementById("heizhan").value;
  if (xz== "被黑域名搜索！！")
   document.getElementById("heizhan").value = "";}
function yhm() 
{  var xz = document.getElementById("heizhan").value;
   if(xz=="")
   document.getElementById("heizhan").value= "被黑域名搜索！！";  }
function muhaiyun()
{
var xz = document.getElementById("heizhan").value;
if(xz==""||xz==null||xz=="被黑域名搜索！！")
{
   alert("你总得要让我知道要找的域名吧！！！");
   document.getElementById("heizhan").focus();
}
else
{
location.replace("beiheizhan.aspx?heizhan="+xz)
}
}