function tabs(x){
	var lis = document.getElementById("sidebarTabs").childNodes;
	
	for(i = 0 ; i < lis.length; i++){
  		lis[i].className = ""; 
	}
	x.className = "selected"; 
	var res = document.getElementById("tabContent");
	var tab = x.id;
	switch(tab) {
		case "tab1":
			res.innerHTML=document.getElementById("tab1Content").innerHTML;
			break;	
		case "tab2":
			res.innerHTML=document.getElementById("tab2Content").innerHTML;
			break;
		case "tab3":
			res.innerHTML=document.getElementById("tab3Content").innerHTML;
			break;
		default:
			res.innerHTML=document.getElementById("tab1Content").innerHTML;
			break;
	}
}