function displayMessage(strLayerName, bolFlagClear){
	if( String(document.getElementById(strLayerName).style.display).indexOf( 'block' ) >= 0 ){
		document.getElementById(strLayerName).style.display='none';
	}else{
	   if (bolFlagClear == true) {
	      clearFormFields(document);
	   }
		document.getElementById(strLayerName).style.display='block';			
	}
}