// JavaScript Document
function setActiveStyleSheet(title) { 
var i, a, main; 
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) { 
   if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) { 
     a.disabled = true; 
     if(a.getAttribute("title") == title) a.disabled = false; 
   } 
} 
} 

function getActiveStyleSheet() { 
var i, a; 
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) { 
   if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title"); 
} 
return null; 
} 

function getPreferredStyleSheet() { 
var i, a; 
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) { 
   if(a.getAttribute("rel").indexOf("style") != -1 
      && a.getAttribute("rel").indexOf("alt") == -1 
      && a.getAttribute("title") 
      ) return a.getAttribute("title"); 
} 
return null; 
} 

function createCookie(name,value,days) { 
if (days) { 
   var date = new Date(); 
   date.setTime(date.getTime()+(days*24*60*60*1000)); 
   var expires = "; expires="+date.toGMTString(); 
} 
else expires = ""; 
document.cookie = name+"="+value+expires+"; path=/"; 
} 

function readCookie(name) { 
var nameEQ = name + "="; 
var ca = document.cookie.split(';'); 
for(var i=0;i < ca.length;i++) { 
   var c = ca[i]; 
   while (c.charAt(0)==' ') c = c.substring(1,c.length); 
   if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); 
} 
return null; 
} 


window.onunload = function(e) { 
var title = getActiveStyleSheet(); 
createCookie("style", title, 365); 
} 

var cookie = readCookie("style"); 
var title = cookie ? cookie : getPreferredStyleSheet(); 
setActiveStyleSheet(title); 

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}