function smenu(oj)
    {  
        var oji=document.getElementById(oj)
        if(oji)
        {
            if(oji.style.display=='none')
                oji.style.display='';
                else oji.style.display='none';
        }
        
    }
   function submitform()
    {
          var ch= document.getElementById('stab2');
          var f=document.getElementById('fsearch');
         if(ch && ch.className=='searchpage_hover')
             
            f.action='/doanhnghiep/'
           
        
    else           f.action='/sanpham/'
   
                
        f.submit();
        
 
     }
     function showgooglesearch(f1,f2)
     {
       var f1=document.getElementById(f1);
        var f2=document.getElementById(f2);
        if(f1.style.display=='none')
        {
            f1.style.display="";
            f2.style.display="none";
        }
        else 
        {
             f1.style.display="none";
            f2.style.display="";
        }
     }
     function tab(tabsl,tabdf)
     {
        var tabdf=document.getElementById(tabdf);
        if (tabsl && tabdf)
        {
            tabsl.className='searchpage_hover';
            tabdf.className='searchpage'
            
        }
     }