function sizeup987(){ //ideally, these should be less generic naming such as cc_[functionname]_[promoID]
document.getElementById('cc_cornerBig_7767').style.top = '0px';
document.getElementById('cc_cornerSmall_7767').style.top = '-1000px';
}

function sizedown987(){
document.getElementById("cc_cornerSmall_7767").style.top = "0px";
document.getElementById("cc_cornerBig_7767").style.top = "-1000px";
}
sizedown987();//fixes firefox delay nuance