function showTab(obj,obj2,num,len,listyle)
{
 for(var id = 1;id<=len;id++)
 {
  var ss=obj+id;
  var ss2=obj2+id;
  if(id==num){
  try{
document.getElementById(ss2).className=listyle;
document.getElementById(ss).style.display="block"}catch(e){};
  }else{
  try{
document.getElementById(ss2).className="";
document.getElementById(ss).style.display="none"}catch(e){};
  }
 }  
}

function G(id){return document.getElementById(id);}




function showny(objwny)
{
	var mm='p'+objwny;
	var gg='pny'+objwny;
	var zz='plnrimg'+objwny;
	var tt=document.getElementById(zz).className;
	if(tt=='')
	document.getElementById(zz).className='zk';
	document.getElementById(zz).innerHTML="";
	if(tt=='zk')
	{
	  try{
		document.getElementById(mm).style.display="none";
		document.getElementById(gg).style.display="block";
		document.getElementById(zz).innerHTML+="<img src=\"http://www.iguoxue.cn/templates/defaultz/images/ss.gif\" width=\"66\" height=\"12\" alt=\"\" />";
		document.getElementById(zz).className='zkk';
}catch(e){};
  }	
  else
  {
	  try{
			document.getElementById(mm).style.display="block";
			document.getElementById(gg).style.display="none";
			document.getElementById(zz).innerHTML+="<img src=\"http://www.iguoxue.cn/templates/defaultz/images/pl.gif\" width=\"66\" height=\"12\" alt=\"\" />";
			document.getElementById(zz).className='zk';
}catch(e){};
	  }
}