///////////////////////////////////////
function tabbin(tabid,divid)
{
	
	// hide the others
	alldivs = document.getElementsByTagName('div');
	for (i=0;i<alldivs.length;i++)
	{
		if (alldivs[i].id.indexOf('tab_') != -1)
		{
			alldivs[i].style.display='none';
		}
	}
	
	// show the one clicked
	//document.getElementById(divid).style.display='block';
	Effect.toggle(divid,'appear');
	
	
	// change css class on others
	
	allas = document.getElementsByTagName('a');
	for (i=0;i<allas.length;i++)
	{
		if (allas[i].id.indexOf('tab_') != -1)
		{
			allas[i].className='inactive';
		}
	}
	
	// change css class on this tab
	tabid.className='active';
	
	
	return true;
}