// Copyright 2003 Eddie Traversa http://www.dhtmlnirvana.com/
// free to use as long as this copyright notice stays intact
var tags = new Array( 'div', 'p' );
var pixelArray =  new Array( '11', '13' );
var emArray =  new Array( '0.9', '1.0', '1.05', '1.1' );
var initSize = 1.0;

function fontSizer( inc, unit )
{
	if( !document.getElementById )
		return;

	var size = initSize;
	size += inc;

	if( size < 0 )
		size = 0;
	
	if( size > emArray.length - 1 )
		size = emArray.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( "noresize" ) )
				continue;

			getallTags[k].style.fontSize = ( unit == 'px' ) ? pixelArray[size] + unit: emArray[size] + unit;
		}
	}
}