function showTip(index)
{
    var i, e;

    for (i = 0; e = document.getElementById('tip' + i); i++)
        e.style.visibility = (i == index) ? "visible": "hidden";
}

function selectContent(c)
{
	//alert(c);
	for (i = 0; i <= 4; i++)
	{
		e = document.getElementById("content" + i);
		d = document.getElementById("contenttab" + i);
		if (e)
			e.style.display = ((i == c) ? "block" : "none");
		//else 
			//break;
		if (d) 
		{
			d.style.backgroundImage = ((i == c) ? "url('../img/tab1.gif')" : "url('../img/tab2.gif')");
			d.style.fontWeight = ((i == c) ? "bold" : "normal");
            d.style.color = ((i == c) ? "white" : "#606060");
		}
	}
}