// Copyright 2003 Eddie Traversa
// http://www.dhtmlnirvana.com/
// free to use as long as this copyright notice stays intact
var tags=new Array('span');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=3;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;}}