var documenttextsizer={

prevcontrol: '',
existingclasses: '',

setpageclass:function(control, newclass){
	if (this.prevcontrol!='')
			this.css(this.prevcontrol, 'selectedtoggler', 'remove')
	document.documentElement.className=this.existingclasses+' '+newclass
	this.css(control, 'selectedtoggler', 'add')
	this.setCookie('pagesetting', newclass, 5)
	this.prevcontrol=control
},

css:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add")
		el.className+=" "+targetclass
},

getCookie:function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i");
	if (document.cookie.match(re))
		return document.cookie.match(re)[0].split("=")[1]
	return null
},

setCookie:function(name, value, days){
	if (typeof days!="undefined"){
		var expireDate = new Date()
		var expstring=expireDate.setDate(expireDate.getDate()+days)
		document.cookie = name+"="+value+"; path=/; expires="+expireDate.toGMTString()
	}
	else
		document.cookie = name+"="+value
},

setup:function(targetclass){
	this.existingclasses=document.documentElement.className
	var persistedsetting=this.getCookie('pagesetting')
	var alllinks=document.getElementsByTagName("a")
	for (var i=0; i<alllinks.length; i++){
		if (this.css(alllinks[i], targetclass, "check")){
			if (alllinks[i].getAttribute("rel")==persistedsetting)
				this.setpageclass(alllinks[i], alllinks[i].getAttribute("rel"))
			alllinks[i].onclick=function(){
				documenttextsizer.setpageclass(this, this.getAttribute("rel"))
				return false
			}
		}
	}
}

}