nav1on = new Image();
nav1on.src = "_images/nav1_f2.gif";
nav1off = new Image();
nav1off.src = "_images/nav1.gif";

nav2on = new Image();
nav2on.src = "_images/nav2_f2.gif";
nav2off = new Image();
nav2off.src = "_images/nav2.gif";

nav3on = new Image();
nav3on.src = "_images/nav3_f2.gif";
nav3off = new Image();
nav3off.src = "_images/nav3.gif";

nav4on = new Image();
nav4on.src = "_images/nav4_f2.gif";
nav4off = new Image();
nav4off.src = "_images/nav4.gif";

nav5on = new Image();
nav5on.src = "_images/nav5_f2.gif";
nav5off = new Image();
nav5off.src = "_images/nav5.gif";

nav6on = new Image();
nav6on.src = "_images/nav6_f2.gif";
nav6off = new Image();
nav6off.src = "_images/nav6.gif";

leftNav1on = new Image();
leftNav1on.src = "_images/leftNav1_f2.gif";
leftNav1off = new Image();
leftNav1off.src = "_images/leftNav1.gif";

leftNav2on = new Image();
leftNav2on.src = "_images/leftNav2_f2.gif";
leftNav2off = new Image();
leftNav2off.src = "_images/leftNav2.gif";

leftNav3on = new Image();
leftNav3on.src = "_images/leftNav3_f2.gif";
leftNav3off = new Image();
leftNav3off.src = "_images/leftNav3.gif";

leftNav4on = new Image();
leftNav4on.src = "_images/leftNav4_f2.gif";
leftNav4off = new Image();
leftNav4off.src = "_images/leftNav4.gif";

leftNav5on = new Image();
leftNav5on.src = "_images/leftNav5_f2.gif";
leftNav5off = new Image();
leftNav5off.src = "_images/leftNav5.gif";

leftNav6on = new Image();
leftNav6on.src = "_images/leftNav6_f2.gif";
leftNav6off = new Image();
leftNav6off.src = "_images/leftNav6.gif";

leftNav7on = new Image();
leftNav7on.src = "_images/leftNav7_f2.gif";
leftNav7off = new Image();
leftNav7off.src = "_images/leftNav7.gif";

leftNav8on = new Image();
leftNav8on.src = "_images/leftNav8_f2.gif";
leftNav8off = new Image();
leftNav8off.src = "_images/leftNav8.gif";

leftNav9on = new Image();
leftNav9on.src = "_images/leftNav9_f2.gif";
leftNav9off = new Image();
leftNav9off.src = "_images/leftNav9.gif";

leftNav10on = new Image();
leftNav10on.src = "_images/leftNav10_f2.gif";
leftNav10off = new Image();
leftNav10off.src = "_images/leftNav10.gif";

leftNav11on = new Image();
leftNav11on.src = "_images/leftNav11_f2.gif";
leftNav11off = new Image();
leftNav11off.src = "_images/leftNav11.gif";

leftNav12on = new Image();
leftNav12on.src = "_images/leftNav12_f2.gif";
leftNav12off = new Image();
leftNav12off.src = "_images/leftNav12.gif";

leftNav13on = new Image();
leftNav13on.src = "_images/leftNav13_f2.gif";
leftNav13off = new Image();
leftNav13off.src = "_images/leftNav13.gif";

function on(image) {
   if (parseInt(navigator.appVersion.substring(0,1))>=3) {
		document[image].src = eval(image + "on.src");
   }
}
function off(image) {
   if (parseInt(navigator.appVersion.substring(0,1))>=3) {
		document[image].src = eval(image + "off.src");
   }
}

function navHighlight(primary,secondary) {
  if(document[primary]){
    document[primary].src = eval(primary+"on.src")
    eval(primary+"off.src ="+primary+"on.src")
  }
  if(document[secondary]){
  	document[secondary].src = eval(secondary+"on.src")
 	 eval(secondary+"off.src ="+secondary+"on.src")
  }
}

function popup(url, name, winheight, winwidth, winscroll) {
	var popwin;
	var opts = "toolbar=no,status=no,location=no,menubar=no,resizable=no,height=" + winheight + ",width=" + winwidth + ",scrollbars=" + winscroll;	
	popwin = window.open("", name, opts);	
	popwin.focus();
	popwin.location = url;
}