function showTab(strID)
{
	if (strID=='articletab')
	{
		document.getElementById('articles').style.display='';
		document.getElementById('blogs').style.display='none';
		document.getElementById('articletab').className='tabselected';
		document.getElementById('blogtab').className='';		

	}
	else if (strID=='blogtab')
	{
		document.getElementById('articles').style.display='none';
		document.getElementById('blogs').style.display='';
		document.getElementById('articletab').className='';	
		document.getElementById('blogtab').className='tabselected';
	}
}