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var prevpage="" ;
var nextpage="" ;
document.onkeydown = function( event_e ){
if( window.event )
event_e = window.event;
var int_keycode = event_e.charCode||event_e.keyCode;
if( int_keycode == '13' ){
if(document.getElementById("search").value!=''){
document.getElementById('tj').focus();}
}}
function checkform()
{
  if(document.getElementById("search").value=="")
  {
  alert('搜索内容不能为空');
  }
  else
  {
  window.location.href="/search/?key="+escape(document.getElementById("search").value);
  }
}