function displaycontent(contentname)
{
	document.getElementById('whynsp').className = 'home_tab';
	document.getElementById('whatweoffer').className = 'home_tab';
	document.getElementById('whoweare').className = 'home_tab';
	document.getElementById('communities').className = 'home_tab';
	document.getElementById('newsandalerts').className = 'home_tab';

	document.getElementById('whynsp_content').className = 'hidden';
	document.getElementById('whatweoffer_content').className = 'hidden';
	document.getElementById('whoweare_content').className = 'hidden';
	document.getElementById('communities_content').className = 'hidden';
	document.getElementById('newsandalerts_content').className = 'hidden';

	var content = document.getElementById(contentname);
	content.className = 'home_tab_selected';
	
	var content_div_name =  contentname + '_content';
	var content = document.getElementById(content_div_name);
	content.className = 'displaycontent';
}