var dw_fontSizerDX = {
    sizeUnit:    "px",
    defaultSize: 12,
    maxSize:     24,
    minSize:     10,
adjustList:[],setDefaults:function(unit,dflt,mn,mx,sels)
{
	this.sizeUnit=unit;
	this.defaultSize=dflt;
	this.maxSize=mx;
	this.minSize=mn;
	if(sels)
		this.set(dflt,mn,mx,sels);
},set:function(dflt,mn,mx,sels)
{
	var ln=this.adjustList.length;
	for(var i=0;sels[i];i++)
	{
		this.adjustList[ln+i]=[];
		this.adjustList[ln+i]["sel"]=sels[i];
		this.adjustList[ln+i]["dflt"]=dflt;
		this.adjustList[ln+i]["min"]=mn||this.minSize;
		this.adjustList[ln+i]["max"]=mx||this.maxSize;
		this.adjustList[ln+i]["ratio"]=this.adjustList[ln+i]["dflt"]/this.defaultSize;
	}
},init:function()
{
	if(!document.getElementById||!document.getElementsByTagName||!dw_fontSizerDX.ready)
		return;
	var size,sizerEl,i;
	size=getCookie("fontSize");
	size=!isNaN(parseFloat(size))?parseFloat(size):this.defaultSize;
	if(size>this.maxSize||size<this.minSize)
		size=this.defaultSize;this.curSize=this.defaultSize;
	sizerEl=document.getElementById('sizer');
	if(sizerEl)
		sizerEl.style.display="block";
	if(this.adjustList.length==0)
	{
		this.setDefaults(this.sizeUnit,this.defaultSize,this.minSize,this.maxSize,['body','td']);
	}
	if(size!=this.defaultSize)
		this.adjust(size-this.defaultSize);
},adjust:function(n)
{
	dw_fontSizerDX.reset()
	if(!this.curSize||!dw_fontSizerDX.ready)
		return;
	var alist,size,list,i,j;
	if(n>0)
	{
		if(this.curSize+n>this.maxSize)
			n=this.maxSize-this.curSize;
	}
	else if(n<0)
	{
		if(this.curSize+n<this.minSize)n=this.minSize-this.curSize;
	}
	if(n==0)
		return;
	this.curSize+=n;
	alist=this.adjustList;
	for(i=0;alist[i];i++)
	{
		size=this.curSize*alist[i]['ratio'];
		size=Math.max(alist[i]['min'],size);
		size=Math.min(alist[i]['max'],size);
		list=dw_getElementsBySelector(alist[i]['sel']);
		for(j=0;list[j];j++)
		{
			list[j].style.fontSize=size+this.sizeUnit;
		}
	}
	setCookie("fontSize",this.curSize,180,"/");
},reset:function()
{
	if(!this.curSize||!dw_fontSizerDX.ready)
		return;
	var alist=this.adjustList,list,i,j;
	for(i=0;alist[i];i++)
	{
		list=dw_getElementsBySelector(alist[i]['sel']);
		for(j=0;list[j];j++)
		{
			list[j].style.fontSize='';
		}
	}
	this.curSize=this.defaultSize;
	deleteCookie("fontSize","/");
}
}
dw_fontSizerDX.ready=true;
function dw_getElementsBySelector(selector)
{
	if(!document.getElementsByTagName)return[];
	var nodeList=[document],tokens,bits,list,col,els,i,j,k;
	selector=selector.normalize();
	tokens=selector.split(' ');
	for(i=0;tokens[i];i++)
	{
		if(tokens[i].indexOf('#')!=-1)
		{
			bits=tokens[i].split('#');
			var el=document.getElementById(bits[1]);
			if(!el)return[];
			if(bits[0])
			{
				if(el.tagName.toLowerCase()!=bits[0].toLowerCase())return[];
			}
			for(j=0;nodeList[j];j++)
			{
				if(nodeList[j]==document||dw_contained(el,nodeList[j]))
					nodeList=[el];
				else return[];
			}
			continue;
		}
		else if(tokens[i].indexOf('.')!=-1)
		{
			bits=tokens[i].split('.');
			col=[];
			for(j=0;nodeList[j];j++)
			{
				els=dw_getElementsByClassName(bits[1],bits[0],nodeList[j]);
				for(k=0;els[k];k++)
				{
					col[col.length]=els[k];
				}
			}
			nodeList=[];
			for(j=0;col[j];j++)
			{
				nodeList.push(col[j]);
			}
			continue;
		}
		else
		{
			els=[];
			for(j=0;nodeList[j];j++)
			{
				list=nodeList[j].getElementsByTagName(tokens[i]);
				for(k=0;list[k];k++)
				{
					els.push(list[k]);
				}
			}
			nodeList=els;
		}
	}
	return nodeList;
}

function dw_getElementsByClassName(sClass,sTag,oCont)
{
	var result=[],list,i;
	var re=new RegExp("\\b"+sClass+"\\b","i");
	oCont=oCont?oCont:document;
	if(document.getElementsByTagName)
	{
		if(!sTag||sTag=="*")
		{
			list=oCont.all?oCont.all:oCont.getElementsByTagName("*");
		}
		else
		{
			list=oCont.getElementsByTagName(sTag);
		}
		for(i=0;list[i];i++)
			if(re.test(list[i].className))result.push(list[i]);
	}
	return result;
}
function dw_contained(oNode,oCont)
{
	if(!oNode)return;
	while(oNode=oNode.parentNode)
		if(oNode==oCont)
			return true;
		return false;
}
if(!Array.prototype.push)
{
	Array.prototype.push=function()
	{
		for(var i=0;arguments[i];i++)
			this[this.length]=arguments[i];
		return this[this.length-1];
	}
}
String.prototype.normalize=function()
{
	var re=/\s\s+/g;
	return this.trim().replace(re," ");
}
String.prototype.trim=function()
{
	var re=/^\s+|\s+$/;
	return this.replace(re,"");
}
	
function setCookie(name,value,days,path,domain,secure) {
var expires, date;
if (typeof days == "number") {
date = new Date();
date.setTime( date.getTime() + (days*24*60*60*1000) );
expires = date.toGMTString();
}
document.cookie = name + "=" + escape(value) +
((expires) ? "; expires=" + expires : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "");
}

function getCookie(name) {
var nameq = name + "=";
var c_ar = document.cookie.split(';');
for (var i=0; i<c_ar.length; i++) {
var c = c_ar[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameq) == 0) return unescape( c.substring(nameq.length, c.length) );
}
return null;
}

function deleteCookie(name,path,domain) {
if (getCookie(name)) {
document.cookie = name + "=" +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
"; expires=Thu, 01-Jan-70 00:00:01 GMT";
}
}