var $; $=function(e){return document.getElementById(e);};
var _; _=function(s){return document.write(s);};
function tabit(tabName,btnId,tabNumber,btnClass){for(i=0;i<tabNumber;i++){$(tabName+'_div'+i).style.display='none';$(tabName+'_btn'+i).className=btnClass+'off';}$(tabName+'_div'+btnId).style.display='block';$(tabName+'_btn'+btnId).className=btnClass+'on';}