function toggleClass(obj, class1, class2) {
 if (obj.className == class1) {
  obj.className = class2;
 } else {
  obj.className = class1;
 }
}


function toggleContent(id) {
 obj = document.getElementById(id);
 if (obj.style.display == "block") {
  obj.style.display = "none";
 } else {
  obj.style.display = "block";
 }
}

function external() {
 if (document.getElementsByTagName) {
  var i, a;
  a = document.getElementsByTagName("a");
  for (var i=0; i<a.length; i++) {
   if (a[i].getAttribute("href") && a[i].getAttribute("rel") == "external") {
    a[i].target = "_blank";
    //a[i].onclick = function() {
    // window.open(this.href);
    // return false;
    //}
   }
  }
 }
}

function MM_showHideLayers() {
 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;
  }
 }
};

function setMailtoLinks() {
 if (!document.getElementsByTagName) { return; }
 ar_spans = document.getElementsByTagName('span');
 for (i=0; i<ar_spans.length; i++) {
  if (ar_spans[i].className == 'mailto') {
   ex = ar_spans[i].firstChild.nodeValue.split(',');
   tmp = document.createElement('a');
   tmp.href = 'mailto:' + ex[1] + '@' + ex[0];
   tmp.appendChild(document.createTextNode(ex[2] ? ex[2] : ex[1] + '@' + ex[0]));
   ar_spans[i].replaceChild(tmp, ar_spans[i].firstChild);
  }
 }
};

function showLayers() {
 showargs = showLayers.arguments;
 for (i=0; i<(showargs.length); i++) {
  document.getElementById(showargs[i]).style.display = "block";
 }
};

function smashLayers() {
 hideargs = smashLayers.arguments;
 for (i=0; i<(hideargs.length); i++) {
  document.getElementById(hideargs[i]).style.display = "none";
 }
};

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function popUp(URL) {
 day = new Date();
 id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=1,scrollbars=1,location=1,statusbar=1,menubar=1,resizable=1,width=700,height=545,left = 363.5,top = 263.5');");
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
 var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
  d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
 if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
 for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
 if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() {
 var i,j=0,x,a=MM_swapImage.arguments;
 document.MM_sr = new Array;
 for (i=0;i<(a.length-2);i+=3) {
  if ((x=MM_findObj(a[i]))!=null) {
   document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];
  }
 }
};

function MM_swapImgRestore() { //v3.0
 var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImgRestore() {
 var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}




/*  ===============================================  */




function setActiveStyleSheet(title) {
 var i, a;
 for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
  if (   a.getAttribute("rel")
      && 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")
      && 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;
}


/*  ===============================================  */



//var cookie = readCookie("style");
//var title = cookie ? cookie : getPreferredStyleSheet();
//setActiveStyleSheet(title);

window.onload = function(e) {
 //var cookie = readCookie("style");
 //var title = cookie ? cookie : getPreferredStyleSheet();
 //setActiveStyleSheet(title);
 external();
 setMailtoLinks();
}

window.onunload = function(e) {
 //var title = getActiveStyleSheet();
 //createCookie("style", title, 30);
}