function navTrans(currentIndex)
{	
	var buttons=document.getElementById("NavButtons").getElementsByTagName("span");	
	buttons[currentIndex].style.backgroundImage="url(images/navbuttonon.gif)";
	for(var i=0;i<buttons.length;i++)
	{
		buttons[i].onmouseover=function(){
			var theEvent = window.event || arguments[0];
		var srcElement = theEvent.srcElement;
		if (!srcElement)
		{
		srcElement = theEvent.target;
		}	buttons[currentIndex].style.backgroundImage="url(images/navbuttonoff.gif)";
			srcElement.style.backgroundImage="url(images/navbuttonon.gif)";};
		buttons[i].onmouseout=function(){var theEvent = window.event || arguments[0];
		var srcElement = theEvent.srcElement;
		if (!srcElement)
		{
		srcElement = theEvent.target;
		}	buttons[currentIndex].style.backgroundImage="url(images/navbuttonon.gif)";
			srcElement.style.backgroundImage="url(images/navbuttonoff.gif)";};
	}
}


function turnOn(ele)
{
	var newsNavs=document.getElementById("newsNav").getElementsByTagName("a");
var topicNews=document.getElementById("topicNews");
var productNews=document.getElementById("productNews");
	for(var i=0;i<newsNavs.length-1;i++)
		if(newsNavs[i]==ele)	
			{newsNavs[i].className="activeButton";
			topicNews.className=i==0?"":"noDisplay";
			productNews.className=i==1?"":"noDisplay";			
			}
		else
			{newsNavs[i].className="UnactiveButton";}
	
}