// JavaScript Document
// changes the background colour of the top navigation list to disguise x-browser width descrepencies of the last list item
// on mouse events.

function ulColSwap(){
	if(!document.getElementById || !document.createTextNode){return;}
	var navList = document.getElementById('nav');
	if(!navList){return;}
	var navItems = navList.getElementsByTagName('li');
	for(var i=0; i<navItems.length; i++){
		navItems[i].onmouseover = function(){
			if(this.className == 'last'){
				var cName  = navList.className;	cName = (cName == "")? "dark" : "" ; navList.className = cName; 
			}
		}
		navItems[i].onmouseout = function(){
			if(this.className == 'last'){
				var cName  = navList.className;	cName = "" ; navList.className = cName; 
			}
		}		
	}		
}
	
onload = ulColSwap;