/*
 *
 *  ALTERAR FONTES DE TAGS
 *
 */

var tamfonte = 0;
var notpageload = 0;

function initialFontSize(){
	var tam = readCookie("tamfonte");
	if(tam != null){
		tamfonte = parseInt(tam);
		changeFontSize(tamfonte);
	}
}

function changeFontSize(inc){
 
	/*tags = new Array();
	tags[0] = "p";
	tags[1] = "div";
	tags[2] = "span";
	tags[3] = "h1";
	tags[4] = "h2";
	tags[5] = "h3";
	tags[6] = "h4";
	tags[7] = "select";
	tags[8] = "a";
	tags[9] = "h5";
	tags[10] = "li";
	tags[11] = "input";
	tags[12] = "textarea";
	tags[13] = "body";
	tags[14] = "td";
	tags[14] = "strong";*/
	
	tags = new Array();
	tags[0] = "p";
	tags[1] = "div";
	tags[2] = "span";	
	tags[3] = "select";	
	tags[4] = "li";
	tags[5] = "input";
	tags[6] = "textarea";
	tags[7] = "body";
	
	for(i=0; i<tags.length; i++){
		var p = document.getElementsByTagName(tags[i]);
		for(n=0; n<p.length; n++) {
			
			if(p[n].style.fontSize)	{
				var size = parseInt(p[n].style.fontSize.replace("px", ""));
			} else {
				var size = 16;
			}
			p[n].style.fontSize = size+inc + 'px';
		}
	}
	if(notpageload){
		createCookie("tamfonte", tamfonte+inc, 0);
		tamfonte = tamfonte + inc;
	}
	notpageload = 1;
}

function resetFontSize(){
  eraseCookie("tamfonte");
}