var theImages = new Array()

theImages[0] = '01'
theImages[1] = '02'
theImages[2] = '03'
theImages[3] = '04'

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));

function showImage(pageName,imageGroup) {
	var str = '<style type="text/css"><!-- ';
	str += '@import url("/associations/11090/css/aiascv_';
	str += pageName;
	str += '.css");';
	str += 'ul#navtop2 { background: transparent url(/associations/11090/banner'+imageGroup+'/banner'+imageGroup+'_';
	str += theImages[whichImage];
	str += '.jpg) no-repeat center bottom; height: 128px;}';
	str += ' --></style>';
	
	document.write(str);
}