function WriteLayer(ID,parentID,sText) { 
 if (document.layers) { 
   var oLayer; 
   if(parentID){ 
     oLayer = eval('document.' + parentID + '.document.' + ID + '.document'); 
   }else{ 
     oLayer = document.layers[ID].document; 
   } 
   oLayer.open(); 
   oLayer.write(sText); 
   oLayer.close(); 
 } 
 else if (parseInt(navigator.appVersion)>=5&&navigator. 
appName=="Netscape") { 
   document.getElementById(ID).innerHTML = sText; 
 } 
 else if (document.all) document.all[ID].innerHTML = sText 
}