/*
	Document Text Sizer- Copyright 2003 - Taewook Kang.  All rights reserved.
	Web Site: http://txkang.com
	www.dynamicdrive.com
*/


//Specify affected tags. Add or remove from list:

var tgs = new Array( 'div','td','tr');

//Specify spectrum of different font sizes:

var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );
var startSz = 2;



function ts(trgt,inc)
	{
	if (!document.getElementById)
		return

	var d	=document,
		cEl	=null,
		sz	=startSz,
		i,j,cTags;
	
	sz += inc;

	if (sz<0) sz=0;
	if (sz>6) sz=6;

	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];
		}
	}