function switchlayer(dir)
{
  var GECKO = document.getElementById? 1:0 ;
  var NS = document.layers? 1:0 ;
  var IE = document.all? 1:0 ;

if (dir == "show"){

	if (GECKO)
       {document.getElementById('visualdiv').style.display= 'none';}
  else if (NS)
       {document.layers['visualdiv'].display='none';}
  else if (IE)
       {document.all['visualdiv'].style.display= 'none';}

  if (GECKO)
       {document.getElementById('flashcontent').style.display= 'block';}
  else if (NS)
       {document.layers['flashcontent'].display='block';}
  else if (IE)
       {document.all['flashcontent'].style.display= 'block';}
	   
} else if (dir == "hide"){
	
	if (GECKO)
       {document.getElementById('flashcontent').style.display= 'none';}
  else if (NS)
       {document.layers['flashcontent'].display='none';}
  else if (IE)
       {document.all['flashcontent'].style.display= 'none';}
	   
	if (GECKO)
       {document.getElementById('visualdiv').style.display= 'block';}
  else if (NS)
       {document.layers['visualdiv'].display='block';}
  else if (IE)
       {document.all['visualdiv'].style.display= 'block';}
	
}
	   
}