function ts( inc, tags, currSz )
{
	if (!document.getElementById) return;
	var szs = new Array( '8px', '11px', '14px' );
	 
	currSz += inc;
	if ( currSz < 0 ) currSz = 0;
	if ( currSz > 2 ) currSz = 2;
	  
	for ( var i = 0 ; i < tags.length ; i++ )
	{
		var cTags = document.getElementById( tags[ i ] );
		if (cTags != null)
			cTags.style.fontSize = szs[ currSz ];
		
			// Loop through all the inner div tags ex. <p>, <b>, <a>
			// The special string "*" represents all elements. 
		var innerTags = cTags.getElementsByTagName("*");
		for ( var j = 0 ; j < innerTags.length ; j++ )
		{
			innerTags[j].style.fontSize = szs[ currSz ];
		}
		
	}
	return currSz;
}