function resetCaseStudies(){
	document.getElementById("casestudies_index").style.display="block";			
	document.getElementById("casestudy_1").style.display="none";			
	document.getElementById("casestudy_2").style.display="none";			
}

function deactivateAllTabs(){
	document.getElementById("overview_tab_active").style.visibility="hidden";
	document.getElementById("compatibilities_tab_active").style.visibility="hidden";
	
	
	document.getElementById("contacts_tab_active").style.visibility="hidden";
	document.getElementById("projects_tab_active").style.visibility="hidden";
	document.getElementById("invoices_tab_active").style.visibility="hidden";
	document.getElementById("accounting_tab_active").style.visibility="hidden";
	document.getElementById("syncing_tab_active").style.visibility="hidden";
	
	document.getElementById("singlemulti_tab_active").style.visibility="hidden";
	document.getElementById("allinone_tab_active").style.visibility="hidden";
	document.getElementById("summarize_tab_active").style.visibility="hidden";
	document.getElementById("customize_tab_active").style.visibility="hidden";

	document.getElementById("overview_content").style.display="none";			
	document.getElementById("compatibilities_content").style.display="none";			
	document.getElementById("contacts_content").style.display="none";			
	document.getElementById("projects_content").style.display="none";			
	document.getElementById("invoices_content").style.display="none";			
	document.getElementById("accounting_content").style.display="none";			
	document.getElementById("syncing_content").style.display="none";			
	document.getElementById("singlemulti_content").style.display="none";		
	document.getElementById("allinone_content").style.display="none";
	document.getElementById("summarize_content").style.display="none";
	document.getElementById("customize_content").style.display="none";

}


function activateTab(aTabID){
 	if (!document.getElementById) return;
	
	deactivateAllTabs();
	
	tab = aTabID + "_tab_active";
	content = aTabID + "_content";
	document.getElementById(tab).style.visibility="visible";
	document.getElementById(content).style.display="block";

}

function showCaseStudy(aStoryIndex){
	document.getElementById("casestudies_index").style.display="none";			
	study = "casestudy_" + aStoryIndex;
	document.getElementById(study).style.display="block";				
}