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 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-contents-on.gif"; 
pic2on= new Image; 
pic2on.src="images/nav-intro-on.gif"; 
pic3on= new Image; 
pic3on.src="images/nav-conversation-on.gif"; 
pic4on= new Image; 
pic4on.src="images/nav-covers-on.gif"; 
pic5on= new Image; 
pic5on.src="images/nav-authors-on.gif"; 
pic6on= new Image; 
pic6on.src="images/cart-on.gif"; 
pic7on= new Image; 
pic7on.src="images/checkout-on.gif"; 
pic8on= new Image; 
pic8on.src="images/spyglass-on.gif"; 
pic9on= new Image; 
pic9on.src="images/paradebest-on.gif"; 
pic10on= new Image; 
pic10on.src="images/lobsterman-on.gif"; 
pic11on= new Image; 
pic11on.src="images/openingday-on.gif"; 

pic1off= new Image; 
pic1off.src="images/nav-contents.gif"; 
pic2off= new Image; 
pic2off.src="images/nav-intro.gif"; 
pic3off= new Image; 
pic3off.src="images/nav-conversation.gif"; 
pic4off= new Image; 
pic4off.src="images/nav-covers.gif"; 
pic5off= new Image; 
pic5off.src="images/nav-authors.gif"; 
pic6off= new Image; 
pic6off.src="images/cart.gif"; 
pic7off= new Image; 
pic7off.src="images/checkout.gif"; 
pic8off= new Image; 
pic8off.src="images/spyglass.gif"; 
pic9off= new Image; 
pic9off.src="images/paradebest.gif"; 
pic10off= new Image; 
pic10off.src="images/lobsterman.gif"; 
pic11off= new Image; 
pic11off.src="images/openingday.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; 
} 
} 

// enable window pop-up for artist bios

function instantWindow(winSource, winName) {
  instant = window.open(winSource,winName,'width=300,height=300,resizable=yes,scrollbars=yes')
}