if ((navigator.appName == "Microsoft Internet Explorer") && (navigator.appVersion.indexOf("Mac") != -1)) {
   document.write("<LINK REL=stylesheet HREF=\"mac-ie.css\" TYPE=\"text/css\">"); }

else if ((navigator.appName == "Netscape") && (navigator.appVersion.indexOf("Mac") != -1)) {
   document.write("<LINK REL=stylesheet HREF=\"mac-nn.css\" TYPE=\"text/css\">"); }

else if ((navigator.appName == "Netscape")) {
   document.write("<LINK REL=stylesheet HREF=\"win-nn.css\" TYPE=\"text/css\">"); }

else {
   document.write("<LINK REL=stylesheet HREF=\"win-ie.css\" TYPE=\"text/css\">"); }

// enable jump menu

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

// enable mouse overs

browserName=navigator.appName; 
browserVer=parseInt(navigator.appVersion); 
if ((browserName=="Netscape" && browserVer>=3) || (browserName=="Microsoft Internet Explorer" && browserVer>=4)) 
version="n3"; 
else 
version="n2"; 
if (version=="n3") 
{ 
pic1on= new Image; 
pic1on.src="images/nav-photos-on.gif"; 
pic2on= new Image; 
pic2on.src="images/nav-excerpt-on.gif"; 
pic3on= new Image; 
pic3on.src="images/nav-order-on.gif"; 
pic4on= new Image; 
pic4on.src="images/nav-links-on.gif"; 

pic1off= new Image; 
pic1off.src="images/nav-photos-off.gif"; 
pic2off= new Image; 
pic2off.src="images/nav-excerpt-off.gif"; 
pic3off= new Image; 
pic3off.src="images/nav-order-off.gif"; 
pic4off= new Image; 
pic4off.src="images/nav-links-off.gif"; 
} 
function lightup(imgName) 
{ 
if (version=="n3") 
{ 
imgOn=eval(imgName + "on.src"); 
document[imgName].src= imgOn; 
} 
} 
function turnoff(imgName) 
{ 
if (version=="n3") 
{ 
imgOff=eval(imgName + "off.src"); 
document[imgName].src= imgOff; 
} 
}