// JavaScript Document

var tags = new Array( 'div','td','tr','p','b','table','strong','emphasis','a','h1','h2','h3','pre','sub','sup','i','th','cp','ul','ol','li','dt','dd');
var pixelArray = new Array('10','12','16','20','24','30','40');
var emArray = new Array('0.7','0.9','1.0','1.5','2.0','2.5','3');
var initSize = 1;

function fontSizer(inc,unit) {
if (!document.getElementById) 
return;
var size = initSize;
size += inc;
if (size < 0 ) {
size = 0;
}
if (size > 3 ) {
size = 3;
}
initSize = size;
getBody = document.getElementsByTagName('body')[0];
for (i = 0 ; i < tags.length ; i++ ) {
	getallTags = getBody.getElementsByTagName(tags[i]);
	
	for (k = 0 ; k < getallTags.length ; k++)
		document.getElementById('content').style.fontSize = (unit=='px') ? pixelArray[size]+unit: emArray[size]+unit;
}
document.getElementById('sizer').innerHTML = "Font Size : "+size;
}