function productTabHover() {
	if(!document.getElementsByTagName) {
        return;
    }
	
	if (document.getElementById("productDisplayMessage")) {
		var messageDisplayArea = document.getElementById("productDisplayMessage");
		var defaultText = messageDisplayArea.innerHTML;
		
		var list = document.getElementById("productTabNav");
		var items = list.getElementsByTagName("li");
		
		for (i=0; i < items.length; i++) {
			var item = items[i];
			
			var links = item.getElementsByTagName("a");
			var link = links[0];
			
			link.onmouseover = function()
			{
				var linkParent = this.parentNode;
				
				var messages = linkParent.getElementsByTagName("span");
				var message = messages[1];			
				
				messageDisplayArea.innerHTML = message.innerHTML;
			}
			link.onmouseout = function()
			{
				messageDisplayArea.innerHTML = defaultText;
			}
		}
	}
}