function showTab(tabHeadId,tabContentId) {
	var tabDiv = document.getElementById("tabDiv");
	var taContents = tabDiv.childNodes;
	for(i=0; i<taContents.length; i++) {
		if(taContents[i].id!=null && taContents[i].id != 'tabsHead') {
			taContents[i].style.display = 'none';
		}
	}
	document.getElementById(tabContentId).style.display = 'block';
	var tabHeads = document.getElementById('tabsHead').getElementsByTagName('a');
	for(i=0; i<tabHeads.length; i++) { 
		tabHeads[i].className='tabs'; 
	}
	document.getElementById(tabHeadId).className='curtab';
	document.getElementById(tabHeadId).blur();
}


function fellTab(voteHeadId,voteContentId) {
	var voteDiv = document.getElementById("voteDiv");
	var voteContents = voteDiv.childNodes;
	for(i=0; i<voteContents.length; i++) {
		if(voteContents[i].id!=null && voteContents[i].id != 'voteHead') {
			voteContents[i].style.display = 'none';
		}
	}
	document.getElementById(voteContentId).style.display = 'block';
	var voteHead = document.getElementById('voteHead').getElementsByTagName('a');
	for(i=0; i<voteHead.length; i++) { 
		voteHead[i].className='other'; 
	}
	document.getElementById(voteHeadId).className='otherfont';
	document.getElementById(voteHeadId).blur();
}