var imagesLoaded=false;

function loadImages(){
	ihome=newImage("nav/n_home_dn.gif");
	iabout=newImage("images/n_about_dn.gif");
	icampus=newImage("images/n_campus_dn.gif");
	iacademics=newImage("images/n_academics_dn.gif");
	iprograms=newImage("images/n_programs_dn.gif");
	iadmissions=newImage("images/n_admissions_dn.gif");
	icontact=newImage("images/n_contact_dn.gif");
	imagesLoaded=true;
}

function swap(imgRef){
	if(!imagesLoaded) return;
	tmpSrc=document.images[imgRef].src;
	swImg=eval("i"+imgRef);
	document.images[imgRef].src=swImg.src;
	swImg.src=tmpSrc;
}

function newImage(url){
	nImag=new Image();
	nImag.src=url;
	return nImag;
}