function rollIn(el)
{
   var ms = navigator.appVersion.indexOf("MSIE")
   ie4 = (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4)
   if(ie4) { el.tempstyle=el.style.cssText;el.style.cssText=el.fprolloverstyle }
}
function rollOut(el)
{
   var ms = navigator.appVersion.indexOf("MSIE")
   ie4 = (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4)
   if(ie4) { el.style.cssText=el.tempstyle }
}