blurbOff = new Image();
blurbOff.src = "../images/rollover_default.gif";   // original image

blurb1on = new Image();
blurb1on.src = "../images/rollover_default_over-01.gif";   // change these to highlight file names

blurb2on = new Image();
blurb2on.src = "../images/rollover_default_over-02.gif";

blurb3on = new Image();
blurb3on.src = "../images/rollover_default_over-05.gif";

blurb4on = new Image();
blurb4on.src = "../images/rollover_default_over-04.gif";

blurb5on = new Image();
blurb5on.src = "../images/rollover_default_over-05.gif";

blurb6on = new Image();
blurb6on.src = "../images/rollover_default_over-06.gif";

blurb7on = new Image();
blurb7on.src = "../images/rollover_default_over-07.gif";

function rollon(x) {
	imgOn = eval('blurb' + x +"on.src");
	document ['blurb'].src = imgOn;
}

function rolloff() {
	document ['blurb'].src = blurbOff.src;
}