// preloads images for the "submit" and "reset" rollover buttons
var buttonResetOn = new Image();
var buttonResetOff = new Image();
var buttonSubmitOn = new Image();
var buttonSubmitOff = new Image();

buttonResetOn.src = '/imgs/rentonline/button-resetOn.gif';
buttonResetOff.src = '/imgs/rentonline/button-resetOff.gif';
buttonSubmitOn.src = '/imgs/rentonline/button-submitOn.gif';
buttonSubmitOff.src = '/imgs/rentonline/button-submitOff.gif';