function showImage(){

	var theImages = new Array() // 
	theImages[0] = 'banner/header1.jpg'
	theImages[1] = 'banner/header2.jpg'
	theImages[2] = 'banner/header3.jpg'
	theImages[3] = 'banner/header4.jpg'
	theImages[4] = 'banner/header5.jpg'
	// do not edit
	
	var j = 0
	var p = theImages.length;
	var preBuffer = new Array()
	for (i = 0; i < p; i++){
	   preBuffer[i] = new Image()
	   preBuffer[i].src = theImages[i]
	}
	var whichImage = Math.round(Math.random()*(p-1));
	
	
	document.write('<img alt="Welcome to the Office of Institutional Research &amp; Effectiveness" src="'+theImages[whichImage]+'">');
	


}