function showTab(tabname){
	switch (tabname){
		case 'streng':
			document['streng'].src = 'images/toolbars/toolabout/streng_2.jpg';
			document['strategy'].src = 'images/toolbars/toolabout/strategy.jpg';
			document['affi'].src = 'images/toolbars/toolabout/affi.jpg';
			document['manage'].src = 'images/toolbars/toolabout/manage.jpg';
			document['desa'].src = 'images/toolbars/toolabout/desa.jpg';
			document.getElementById('strengtab').style.display = 'block';
			document.getElementById('strategytab').style.display = 'none';
			document.getElementById('affitab').style.display = 'none';
			document.getElementById('managetab').style.display = 'none';
			document.getElementById('desatab').style.display = 'none';
		break;
		case 'strategy':
			document['streng'].src = 'images/toolbars/toolabout/streng.jpg';
			document['strategy'].src = 'images/toolbars/toolabout/strategy_2.jpg';
			document['affi'].src = 'images/toolbars/toolabout/affi.jpg';
			document['manage'].src = 'images/toolbars/toolabout/manage.jpg';
			document['desa'].src = 'images/toolbars/toolabout/desa.jpg';
			document.getElementById('strengtab').style.display = 'none';
			document.getElementById('strategytab').style.display = 'block';
			document.getElementById('affitab').style.display = 'none';
			document.getElementById('managetab').style.display = 'none';
			document.getElementById('desatab').style.display = 'none';
		break;
		case 'affi':
			document['streng'].src = 'images/toolbars/toolabout/streng.jpg';
			document['strategy'].src = 'images/toolbars/toolabout/strategy.jpg';
			document['affi'].src = 'images/toolbars/toolabout/affi_2.jpg';
			document['manage'].src = 'images/toolbars/toolabout/manage.jpg';
			document['desa'].src = 'images/toolbars/toolabout/desa.jpg';
			document.getElementById('strengtab').style.display = 'none';
			document.getElementById('strategytab').style.display = 'none';
			document.getElementById('affitab').style.display = 'block';
			document.getElementById('managetab').style.display = 'none';
			document.getElementById('desatab').style.display = 'none';
		break;
		case 'manage':
			document['streng'].src = 'images/toolbars/toolabout/streng.jpg';
			document['strategy'].src = 'images/toolbars/toolabout/strategy.jpg';
			document['affi'].src = 'images/toolbars/toolabout/affi.jpg';
			document['manage'].src = 'images/toolbars/toolabout/manage_2.jpg';
			document['desa'].src = 'images/toolbars/toolabout/desa.jpg';
			document.getElementById('strengtab').style.display = 'none';
			document.getElementById('strategytab').style.display = 'none';
			document.getElementById('affitab').style.display = 'none';
			document.getElementById('managetab').style.display = 'block';
			document.getElementById('desatab').style.display = 'none';
		break;
		case 'desa':
			document['streng'].src = 'images/toolbars/toolabout/streng.jpg';
			document['strategy'].src = 'images/toolbars/toolabout/strategy.jpg';
			document['affi'].src = 'images/toolbars/toolabout/affi.jpg';
			document['manage'].src = 'images/toolbars/toolabout/manage.jpg';
			document['desa'].src = 'images/toolbars/toolabout/desa_2.jpg';
			document.getElementById('strengtab').style.display = 'none';
			document.getElementById('strategytab').style.display = 'none';
			document.getElementById('affitab').style.display = 'none';
			document.getElementById('managetab').style.display = 'none';
			document.getElementById('desatab').style.display = 'block';
		break;
	}
}
function swapimg(imgNm,img){
	document[imgNm].src = img;
}