window.onload = tabEffect;
function tabEffect()
{
	var allElements = document.getElementsByTagName('*');
	for (var i=0; i<allElements.length; i++)
	{
		if (allElements[i].className.indexOf('tabOption') >= 0)
		{
			allElements[i].onmouseover = mouseOver;
		}
	}
}
function mouseOver()
{
    tabList = this.parentNode;
    tabOptions = tabList.getElementsByTagName("li");
	for (var i=0; i<tabOptions.length; i++)
	{
	    if (tabOptions[i].className.indexOf('tabOption') >= 0)
		{
		    tabOptions[i].className = "tabOption";
		}
	}
	this.className += " tabOn";
}