function tabSwitch(new_tab, new_content) {
	
	document.getElementById('content_1').style.display = 'none';
	document.getElementById('content_2').style.display = 'none';
		
	document.getElementById(new_content).style.display = 'block';	
	

	document.getElementById('tab_1').className = 'content_1';
	document.getElementById('tab_2').className = 'content_2';
			
	document.getElementById(new_tab).className = 'active';		

}