/* Original Version, only works by ID
function setClass(objectID,newClass) {
	var object = document.getElementById(objectID);
	object.className = newClass;
	}
*/

/* New version, increases text in all these tags
var tags = new Array('div','td','tr','p','b','span','table','strong','emphasis','a','h1','h2','h3','pre','sub','sup','i','th','cp','ul','ol','li','dt','dd');
	
var pixelArray = new Array('10','11','12','18');
var emArray = new Array('0.7','0.8','0.9','1.0');

var initSize = 1;

function fontSizer(inc,unit) {
	if (!document.getElementById)
		return;
		var size = initSize;
		size += inc;
		if (size < 0 ) {
		size = 0;
	}
	if (size > 6 ) {
		size = 6;
	}
	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++)
		getallTags[k].style.fontSize = (unit=='px') ? pixelArray[size]+unit: emArray[size]+unit;
	}
}
*/

var tags = new Array('div','td','tr','p','b','span','table','strong','emphasis','a','h1','h2','h3','pre','sub','sup','i','th','cp','ul','ol','li','dt','dd');
	
var pixelArray = new Array('10','11','12');
var emArray = new Array('0.7','0.8','0.9');

var initSize = 1;

function fontSizer(inc,unit) {
	if (!document.getElementById)
		return;
		var size = initSize;
		size += inc;
		if (size < 0 ) {
		size = 0;
	}
	if (size > pixelArray.length - 1) {
		size = pixelArray.length - 1;
	}
	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++) {
			if(getallTags[k].getAttribute("resizable") == "true") {
				getallTags[k].style.fontSize = (unit=='px') ? pixelArray[size]+unit: emArray[size]+unit;
			}
		}
	}
}