/*------------------------------------------------------------
	Document Text Sizer- Copyright 2003 - Taewook Kang.  All rights reserved.
	Coded by: Taewook Kang (txkang.REMOVETHIS@hotmail.com)
	Web Site: http://txkang.com
	Script featured on Dynamic Drive (http://www.dynamicdrive.com)
	
	Please retain this copyright notice in the script.
	License is granted to user to reuse this code on 
	their own website if, and only if, 
	this entire copyright notice is included.
--------------------------------------------------------------*/

// Especifica as tag afetadas. Adicione ou remova da lista:
var tgs=new Array('div','td','tr','a');

// Especifica os diferentes tamanhos dos textos:
var szs=new Array('11px','14px','16px'); //var szs=new Array('xx-small','x-small','small','medium','large','x-large','xx-large');
var startSz=0; //var startSz = 2;

function ts(trgt,inc) {
	// testa se o javascript está funcionando
	if (!document.getElementById) return
	
	var d=document, cEl=null, sz=startSz, i, j, cTags;
	
	sz+=inc;
	if (sz<0) sz=2; // colocar o tamanho do array szs -1
	if (sz>2) sz=0; // colocar o tamanho do array szs -1
	startSz=sz;
		
	if (!(cEl = d.getElementById(trgt))) cEl = d.getElementsByTagName(trgt)[0];

	cEl.style.fontSize = szs[sz];

	for (i=0 ; i<tgs.length; i++) {
		cTags = cEl.getElementsByTagName(tgs[i]);
		for (j=0; j<cTags.length; j++) cTags[j].style.fontSize = szs[sz];
	}
}