function selectContent(c)
{
	//alert(c);
	for (i = 0; i <= 10; 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");
		}
	}
}


function elementIsClass(e, className)
{
    if (e.className)
        return (e.className.search(
            new RegExp("\\b" + className + "\\b")) != -1);
    return false;
}

function elementAddClass(e, className)
{
    if (!elementIsClass(e, className))
        e.className += (" " + className);
}

function elementRemoveClass(e, className)
{
    e.className = e.className.replace(new RegExp("(\\b|\\s+)" + className +
        "(\\b|\\s+)"), "");
}

function elementGetChildNodesByClassName(e, className)
{
    var children = Array();
    for (i = 0; i < e.childNodes.length; i++)
        if (elementIsClass(e.childNodes[i], className))
            children[children.length] = e.childNodes[i];
    return children;
}