platform = ((navigator.platform.indexOf('Win') > -1) ? "win" : "mac");

if (platform == "mac"){
	document.write("<LINK rel='stylesheet' href='_includes/css/styles.css' type='text/css'>");
} else {
	document.write("<LINK rel='stylesheet' href='_includes/css/styles.css' type='text/css'>");
}


//-- image rollovers --//
function rollover(imagename){
	document.images[imagename].src = "_images/" + imagename + "_roll.gif";
}

function rollout(imagename){
	document.images[imagename].src = "_images/" + imagename + ".gif";
}

bttn_home = new Image(); bttn_home.src = "_images/bttn_home.gif";
bttn_home_roll = new Image(); bttn_home_roll.src = "_images/bttn_home_roll.gif";
bttn_biography = new Image(); bttn_biography.src = "_images/bttn_biography.gif";
bttn_biography_roll = new Image(); bttn_biography_roll.src = "_images/bttn_biography_roll.gif";
bttn_tbrs = new Image(); bttn_tbrs.src = "_images/bttn_tbrs.gif";
bttn_tbrs_roll = new Image(); bttn_tbrs_roll.src = "_images/bttn_tbrs_roll.gif";
bttn_biancasbooks = new Image(); bttn_biancasbooks.src = "_images/bttn_biancasbooks.gif";
bttn_biancasbooks_roll = new Image(); bttn_biancasbooks_roll.src = "_images/bttn_biancasbooks_roll.gif";
bttn_work = new Image(); bttn_work.src = "_images/bttn_work.gif";
bttn_work_roll = new Image(); bttn_work_roll.src = "_images/bttn_work_roll.gif";
bttn_pressevents = new Image(); bttn_pressevents.src = "_images/bttn_pressevents.gif";
bttn_pressevents_roll = new Image(); bttn_pressevents_roll.src = "_images/bttn_pressevents_roll.gif";
bttn_imagegallery = new Image(); bttn_imagegallery.src = "_images/bttn_imagegallery.gif";
bttn_imagegallery_roll = new Image(); bttn_imagegallery_roll.src = "_images/bttn_imagegallery_roll.gif";
bttn_interact = new Image(); bttn_interact.src = "_images/bttn_interact.gif";
bttn_interact_roll = new Image(); bttn_interact_roll.src = "_images/bttn_interact_roll.gif";
bttn2_home = new Image(); bttn2_home.src = "_images/bttn2_home.gif";
bttn2_home_roll = new Image(); bttn2_home_roll.src = "_images/bttn2_home_roll.gif";
bttn2_biography = new Image(); bttn2_biography.src = "_images/bttn2_biography.gif";
bttn2_biography_roll = new Image(); bttn2_biography_roll.src = "_images/bttn2_biography_roll.gif";
bttn2_tbrs = new Image(); bttn2_tbrs.src = "_images/bttn2_tbrs.gif";
bttn2_tbrs_roll = new Image(); bttn2_tbrs_roll.src = "_images/bttn2_tbrs_roll.gif";
bttn2_biancasbooks = new Image(); bttn2_biancasbooks.src = "_images/bttn2_biancasbooks.gif";
bttn2_biancasbooks_roll = new Image(); bttn2_biancasbooks_roll.src = "_images/bttn2_biancasbooks_roll.gif";
bttn2_work = new Image(); bttn2_work.src = "_images/bttn2_work.gif";
bttn2_work_roll = new Image(); bttn2_work_roll.src = "_images/bttn2_work_roll.gif";
bttn2_pressevents = new Image(); bttn2_pressevents.src = "_images/bttn2_pressevents.gif";
bttn2_pressevents_roll = new Image(); bttn2_pressevents_roll.src = "_images/bttn2_pressevents_roll.gif";
bttn2_imagegallery = new Image(); bttn2_imagegallery.src = "_images/bttn2_imagegallery.gif";
bttn2_imagegallery_roll = new Image(); bttn2_imagegallery_roll.src = "_images/bttn2_imagegallery_roll.gif";
bttn2_interact = new Image(); bttn2_interact.src = "_images/bttn2_interact.gif";
bttn2_interact_roll = new Image(); bttn2_interact_roll.src = "_images/bttn2_interact_roll.gif";