function navMouseOvers(container) {
	var navDiv = document.getElementById(container);
	var imgLinks = navDiv.getElementsByTagName('img');

	for (var i = 0; i < imgLinks.length; i++) {
		
		var imgSrc = imgLinks[i].src.substring(0, imgLinks[i].src.lastIndexOf('.'));
		imgSrc    += 'Hover.png';
		imgSrc    = imgSrc.replace('Over','');
		imgSrc    = imgSrc.replace('Green','Black');
		imgSrc    = imgSrc.replace('White','Black');
		imgLinks[i].imgSrc = imgSrc;
		imgLinks[i].origSrc = imgLinks[i].src;
		
		imgLinks[i].onmouseover = function() {
			this.src = this.imgSrc;
		}
		imgLinks[i].onmouseout = function() {
			this.src = this.origSrc;
		}
	}
}

function setOtherObjects(title) {

	if(document.getElementById('newsNav')){
		document.getElementById('newsNav').src = '/images/newsOver' + title + '.png';
	}

}

window.onload = function(e) {
  
  navMouseOvers('navigation');
  setOtherObjects('Black');
}