toggleLinks={ 
links:[], 
cOn :"toggle_on", 
cOff:"toggle_off", 
init:function(){ 
var a; 
var cRegEx=new RegExp("(^|\\s)("+toggleLinks.cOn+"|"+toggleLinks.cOff+")(\\s|$)"); 
var ls=document.getElementsByTagName("a"); 
for(var i=0;i<ls.length;i++){ 
a=ls[i]; 
if(cRegEx.test(a.className)){ 
toggleLinks.links.push(a); 
var fn=toggleLinks.getSwitchTo(toggleLinks.links.length-1); 
if(a.addEventListener){ 
a.addEventListener("click",fn,false); 
} 
else if(a.attachEvent){ 
a.attachEvent("onclick",fn); 
} 
else{ 
a.onclick=fn; 
} 
} 
} 
}, 
switchTo:function(l){ 
var ls=toggleLinks.links; 
var onRegEx=new RegExp("(^|\\s)"+toggleLinks.cOn+"(\\s|$)"); 
var offRegEx=new RegExp("(^|\\s)"+toggleLinks.cOff+"(\\s|$)"); 
for(var i=0;i<ls.length;i++){ 
ls[i].className=ls[i].className.replace(onRegEx,"$1"+toggleLinks.cOff+"$2"); 
} 
ls[l].className=ls[l].className.replace(offRegEx,"$1"+toggleLinks.cOn+"$2"); 
}, 
getSwitchTo:function(l){ 
return function(){ 
toggleLinks.switchTo(l); 
return false; 
} 
} 
} 
if(window.addEventListener){ 
window.addEventListener("load",toggleLinks.init,false); 
} 
else if(window.attachEvent){ 
window.attachEvent("onload",toggleLinks.init); 
} 
else{ 
window.onload=toggleLinks.init; 
}