function ChangeBg (divName, divStat) {
   this.divName = divName;
   this.divStat = divStat;
   var mdiv = document.getElementById(this.divName).style;

   if (this.divStat == 1) {
     mdiv.background = 'url(yellowwallcut2.jpg)';
   } else {
     mdiv.background = '#ffffcc';
     }
}