//font size detection
var info = navigator.userAgent;
var chosenStyle = "sizes_ie.css";

// tokens to look for
var macToken   = "Mac";
var ieToken    = "MSIE";
var v5Token    = "5.";

if( info != null ) {
  if( info.indexOf("MSIE") >= 0 ) {
		 chosenStyle = "sizes_ie.css";
	} else {
		 chosenStyle = "sizes_ns.css";

  }
}

document.write ("<link rel='stylesheet' href='classes/" + chosenStyle + "'type='text/css'>");

function SwapImg(){
	for (i = 0; i < arguments.length; i+=3){
		if (document.images) {
			eval(arguments[i] + "document." + arguments[i+1] + ".src='" + arguments[i+2] + "'")
		}
	}
}

function abrePop(pagina,largura,altura){
	centroLeft = (screen.width / 2) - (largura / 2);
	centroTop = (screen.height / 2) - (altura / 2);
	pop=window.open(pagina, "Popup", "width=" + largura + " ,height=" + altura + " ,top=" + centroTop + " ,left=" + centroLeft + ",scrollbars=no");
}

dom = document.getElementById?1:0;
ie4 = (document.all && !dom)?1:0;
ns4 = document.layers?1:0;

comeco = (ns4)?"document.layers['":(dom)?"document.getElementById(\'":"document.all.";
fim = (ns4)?"']":(dom)?"\')":"";

tempo = new Array;
function mostra(objeto){
    obj = eval(comeco + objeto + fim);
    ns4?obj.visibility = "show":obj.style.visibility = "visible";
}		

function esconde(objeto){
    obj = eval(comeco + objeto + fim);
    ns4?obj.visibility = "hide":obj.style.visibility = "hidden";
}


function fontSizer(inc) {
	tags = new Array('div','span')
	getBody = document.getElementsByTagName('body')[0];
	for (i = 0 ; i < tags.length ; i++ ) {
		getallTags = getBody.getElementsByTagName(tags[i]);
		for (k = 0 ; k < getallTags.length ; k++){
			var tag = getallTags[k]
			var tam = tag.style.fontSize
			
			if (inc == 'up'){
				switch (tam){
					case '':
						tam='100%'
						break;
					case '100%':
						tam='110%'
						break;
					case '110%':
						tam='120%'
						break;
				}
			}else if(inc == 'down'){
				switch (tam){
					case '100%':
						tam=''
						break;
					case '110%':
						tam='100%'
						break;
					case '120%':
						tam='110%'
						break;
				}
			}
			tag.style.fontSize = tam;
		}
	}
}


function Favoritos(){

	window.external.AddFavorite('http://www.jnjbrasil.com.br','Johnson & Johnson');

}