// Copyright 2003 Eddie Traversa
// http://www.dhtmlnirvana.com/
// free to use as long as this copyright notice stays intact
var tags = new Array( 'p');
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 = 2;

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;
	}
}