// JavaScript Document
var navibarImg = document.getElementById("mainnav").getElementsByTagName("img");

for(var n in navibarImg){
	if(navibarImg[n].className == "i"){
		navibarImg[n].onmouseover = function(){
			var src = this.getAttribute("src");
			var src2 = this.getAttribute("src2");
			this.setAttribute("src",src2);
			this.setAttribute("src2",src);
		}
		navibarImg[n].onmouseout = function(){
			var src = this.getAttribute("src");
			var src2 = this.getAttribute("src2");
			this.setAttribute("src",src2);
			this.setAttribute("src2",src);
		}
	}
}

var naviImg = new Array();

for(var n in navibarImg){
	if(navibarImg[n].className == 'i'){
		naviImg[naviImg.length] = navibarImg[n];
	}
}

function naviFocus(i){
	var className = naviImg[i].className;
	if(className == 'i'){
		naviImg[i].className = 'i focus';
	}
	var src2 = naviImg[i].getAttribute('src2');
	naviImg[i].setAttribute('src',src2);
}