// JavaScript Document
/* taken from http://www.projectseven.com/tutorials/navigation/swapclassmenu/ Tutorial */

function swapClass(){ 
 var i,x,tB,j=0,tA=new Array(),arg=swapClass.arguments;
 if(document.getElementsByTagName){for(i=4;i<arg.length;i++){tB=document.getElementsByTagName(arg[i]);
  for(x=0;x<tB.length;x++){tA[j]=tB[x];j++;}}for(i=0;i<tA.length;i++){
  if(tA[i].className){if(tA[i].id==arg[1]){if(arg[0]==1){
  tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];}else{tA[i].className=arg[2];}
  }else if(arg[0]==1 && arg[1]=='none'){if(tA[i].className==arg[2] || tA[i].className==arg[3]){
  tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];}
  }else if(tA[i].className==arg[2]){tA[i].className=arg[3];}}}}
}
function writeStyles(op,a){ 
if(op==0||document.getElementById){var tS="<sty"+"le type=\"text/css\">";
tS+=a+"<"+"/sty"+"le>";document.write(tS);document.close();}
}
writeStyles(1,'.closed ul{ display:none;}.open ul{ display:block;}');