var nowGroup = new Object;
//nowGroup['news'] = 1;
//nowGroup['alone'] = 1;
function $(e){
 return document.getElementById(e);
}
function s(a,tabGroupId){
var nowTab = nowGroup[tabGroupId];
if( nowTab == undefined )
	nowGroup[tabGroupId] = nowTab = 1;

if(a!=nowTab) {
 $(tabGroupId+'Head'+a).className='hot'
 $(tabGroupId+'Head'+nowTab).className='hidden'
 $(tabGroupId+nowTab).className = 'hidden contentDiv'
 $(tabGroupId+a).className = 'display contentDiv'
 nowGroup[tabGroupId]=a;
}
 return false
}