var navImg = new Image();
    navImg.src =  "images/m1_f2.jpg";
    navImg.src =  "images/m2_f2.jpg";
    navImg.src =  "images/m3_f2.jpg";
    navImg.src =  "images/m4_f2.jpg";
    navImg.src =  "images/m5_f2.jpg";
    navImg.src =  "images/m6_f2.jpg";
    navImg.src =  "images/m7_f2.jpg";
    navImg.src =  "images/m8_f2.jpg";
    navImg.src =  "images/m9_f2.jpg";


function nav_mouseOver(me)
{
	if (me.innerHTML.indexOf("_f2") == -1)	//don't do that for highlighted nav
	{
		me.innerHTML = me.innerHTML.replace(/.jpg/i, "_f2.jpg");
	}
}

function nav_mouseOut(me)
{
	
	if (me != highlightTag)	//don't do that for highlighted nav
	{
		me.innerHTML = me.innerHTML.replace(/_f2.jpg/i, ".jpg");
	}
}





var nav = document.getElementById("nav").getElementsByTagName("a");

var highlightTag;

for (var max1L=0; max1L <= nav.length - 1; max1L++)	
{
	var aTag = nav[max1L];
	
	if (window.location == aTag.href)
	{
		nav_mouseOver(aTag);
		highlightTag = aTag;
		break;
	}
}

var pathName = window.location.pathname;


if (!highlightTag)
{
	if (pathName=="" || pathName =="/")	//www.phosphor.co.nz or www.phosphor.co.nz/
	{
		var aTag = nav[0];
		nav_mouseOver(aTag);
		highlightTag = aTag;
	}
}