function switchTabs (showName, hideName) {
	document.getElementById(showName+'_content').style.display='block';
	document.getElementById(hideName+'_content').style.display='none';

	document.getElementById(showName).setAttribute('class','titletxt normal');
	document.getElementById(showName).setAttribute('className','titletxt normal');
	document.getElementById(hideName).setAttribute('class','titletxt alt');
	document.getElementById(hideName).setAttribute('className','titletxt alt');
}