function   getStyleObject(objectId)   
    {   
        if(document.getElementById   &&   document.getElementById(objectId))   
		  {     
           return   document.getElementById(objectId).style;   
          }   
		else   if   (document.all   &&   document.all(objectId))   
		  {   
           return   document.all(objectId).style;   
          }
	    else   if   (document.layers   &&   document.layers[objectId])   
		  {   
           return   document.layers[objectId];   
          }   
		else   {   
           return   false;   
          }   
  }
    
  function   changeObjectVisibility(objectId,   newVisibility)   {   
        var   styleObject   =   getStyleObject(objectId);   
        if(styleObject)   
		  {   
            styleObject.visibility   =   newVisibility;   
            return   true;   
          }  
	    else   
		  {   
            return   false;   
          }   
  }     
    
  function     fl_close()   
  {   
  changeObjectVisibility('AdLayer','hidden');   
   
  }