function LoadNav()
{
	var navImages = document.getElementById("nav").getElementsByTagName("img");
	
	for(var i = 0; i <= navImages.length-1; i++)
	{
		if (navImages[i].src.indexOf("_off") > 0)
		{
			navImages[i].onmouseover = function () { 
			this.src = this.src.replace("_off", "_on"); }
			
			navImages[i].onmouseout = function () { 
			this.src = this.src.replace("_on", "_off"); }
		}
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}