function hideall()
  {
    document.all.navigator.style.visibility='hidden';
    
     
    document.all.site.style.visibility='hidden';
    document.all.site1.style.visibility='hidden';
    document.all.site2.style.visibility='hidden';
    document.all.site3.style.visibility='hidden';
    document.all.site4.style.visibility='hidden';
    document.all.site5.style.visibility='hidden';
    document.all.site6.style.visibility='hidden';

    document.all.site10.style.visibility='hidden';
	document.all.site11.style.visibility='hidden';
    document.all.site12.style.visibility='hidden';
    document.all.site13.style.visibility='hidden';
    document.all.site14.style.visibility='hidden';
    document.all.site15.style.visibility='hidden';
    document.all.site16.style.visibility='hidden';
	document.all.site17.style.visibility='hidden';
    
	
	
   document.all.site.style.posTop=-300;
    document.all.navigator.style.posTop=document.body.scrollTop-30;
  }