function toggleDiv(divid){
		
  		switch (divid)
		{
		case "tab-1":
		document.getElementById("tab-1").style.display = 'block';
		document.getElementById("tab-2").style.display = 'none';
		break;
		case "tab-2":
		document.getElementById("tab-2").style.display = 'block';
		document.getElementById("tab-1").style.display = 'none';
		break;
						
		default:
		document.getElementById("tab-1").style.display = 'block';
		document.getElementById("tab-2").style.display = 'none';
						
		}

	}