function showt(obj){
  //getObjectAjax("v_text");
  //currentPos="v_text"; 
  //send_request("index_ajax.jsp?type=1&tt="+obj);
}

function change_bj(obj){
	//网站导航
      for (var i=1;i<4;i++){
          if(obj==i ){
              document.getElementById("action"+obj).className ="on";    
			  document.getElementById("site_"+obj).style.display="block"     
          } else{
              document.getElementById("action"+i).className ="";
			  document.getElementById("site_"+i).style.display="none";  
          }
      }  
}


function showmenu(){
	//团购列表、缩略图展示
	document.getElementById('s1').className="big_on";
	document.getElementById('s2').className="list";
	document.getElementById('menu1').style.display="block";
	document.getElementById('menu2').style.display="none";
	
	}
	
	function showmenu1(){
    document.getElementById('s1').className="big";
	document.getElementById('s2').className="list_on";
	document.getElementById('menu2').style.display="block";
	document.getElementById('menu1').style.display="none";
	
	}