function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function checkformv(){
if (document.vote.answer1.checked==false &&document.vote.answer2.checked==false &&
		document.vote.answer3.checked==false &&document.vote.answer4.checked==false &&
		document.vote.answer5.checked==false&&document.vote.answer6.checked==false){
		alert("Äú»¹Ã»ÓÐÑ¡Ôñ£¡");
		document.vote.answer1.focus();
		return false;
	}		
}

function dis_menu(menuBar){ 
if(menuBar.style.display=="none"){ 
menuBar.style.display="" ; 
menuBar1.style.display="none" ; 

}else{ 
menuBar.style.display="none" ; 
menuBar1.style.display="" ; 

} 
} 
function dis_menu1(menuBar1){ 
if(menuBar.style.display=""){ 
menuBar1.style.display=="none" ; 
}else{ 
menuBar1.style.display="none" ; 
} 
}