{
  nav1_off = new Image();	nav1_off.src 	= "../images/nav/nav1_off.gif";
  nav1_on = new Image();	nav1_on.src 	= "../images/nav/nav1_on.gif";
  nav2_off = new Image();	nav2_off.src 	= "../images/nav/nav2_off.gif";
  nav2_on = new Image();	nav2_on.src 	= "../images/nav/nav2_on.gif";
  nav3_off = new Image();	nav3_off.src 	= "../images/nav/nav3_off.gif";
  nav3_on = new Image();	nav3_on.src 	= "../images/nav/nav3_on.gif";
  nav4_off = new Image();	nav4_off.src 	= "../images/nav/nav4_off.gif";
  nav4_on = new Image();	nav4_on.src 	= "../images/nav/nav4_on.gif";
  nav5_off = new Image();	nav5_off.src 	= "../images/nav/nav5_off.gif";
  nav5_on = new Image();	nav5_on.src 	= "../images/nav/nav5_on.gif";
  nav6_off = new Image();	nav6_off.src 	= "../images/nav/nav6_off.gif";
  nav6_on = new Image();	nav6_on.src 	= "../images/nav/nav6_on.gif";
  nav7_off = new Image();	nav7_off.src 	= "../images/nav/nav7_off.gif";
  nav7_on = new Image();	nav7_on.src 	= "../images/nav/nav7_on.gif";
  nav8_off = new Image();	nav8_off.src 	= "../images/nav/nav8_off.gif";
  nav8_on = new Image();	nav8_on.src 	= "../images/nav/nav8_on.gif";
  nav9_off = new Image();	nav9_off.src 	= "../images/nav/nav9_off.gif";
  nav9_on = new Image();	nav9_on.src 	= "../images/nav/nav9_on.gif";
  
}

function RollIn (ImgName)
{
	if (document.all)
	{
		eval("document.all."+ImgName+".src = "+ImgName+"_on.src");
	} else {
		eval("document."+ImgName+".src = "+ImgName+"_on.src");
	}
}

function RollOut (ImgName)
{
	if (document.all)
	{
		eval("document.all."+ImgName+".src = "+ImgName+"_off.src");
	} else {
		eval("document."+ImgName+".src = "+ImgName+"_off.src");
	}	
}