// JavaScript Document
var d        = 2;
var cont     = 0;
var bolder   = '';
var italic   = '';
var sublim   = '';
var classN   = Array('class-1','class0','class1','class2','class3','class4','class5','class6');
var elements = Array('A','ABBR','ACRONYM','ADDRESS','APPLET','AREA','B','BASE','BASEFONT','BDO','BIG','BLOCKQUOTE','BODY','BR','BUTTON','CAPTION','CENTER','CITE','CODE','COL','COLGROUP','DD','DEL','DFN','DIR','DIV','DL','DT','EM','FIELDSET','FONT','FORM','FRAME','FRAMESET','H1','H2','H3','H4','H5','H6','HEAD','HR','HTML','I','IFRAME','IMG','INPUT','INS','ISINDEX','KBD','LABEL','LEGEND','LI','LINK','MAP','MENU','META','NOFRAMES','NOSCRIPT','OBJECT','OL','OPTGROUP','OPTION','P','PARAM','PRE','Q','S','SAMP','SCRIPT','SELECT','SMALL','SPAN','STRIKE','STRONG','SUB','SUP','TABLE','TBODY','TD','TEXTAREA','TFOOT','TH','THEAD','TITLE','TR','TT','U','UL','VAR');
var fontSize = Array(10,12,14,16,18,21,23,25);
//Funções para noticias
function alter(arg){
	if( arg == 'inc' )
		d++;		
	if( d > 7 )
		d = 7;
	if( arg == 'dec' )
		d--;
	if( d < 0 )
		d = 0;
		
	//Adiciona ou retira o negrito	
	var div  = document.getElementById('textos');
	for( var j = 0; j < elements.length; j++ ){
		var tags = div.getElementsByTagName(elements[j]);
		for( var i = 0; i < tags.length; i++ ){			
			tags[i].className = classN[d];
			if( tags[i].style.fontSize != "" ){				
					tags[i].style.fontSize = fontSize[d]+"px";
			}
		}
	}
}

function negrito(arg){
	if( arg == 'bol' && bolder == '' )
		bolder = 'bolder';
	else
		bolder = '';
	//Adiciona ou retira o negrito	
	var div  = document.getElementById('textos');
	for( var j = 0; j < elements.length; j++ ){
		var tags = div.getElementsByTagName(elements[j]);
		for( var i = 0; i < tags.length; i++ ){			
			tags[i].style.fontWeight = bolder;
		}
	}
}

function italico(arg){
	if( arg == 'ita' && italic == '' )
		italic = 'italic';
	else
		italic = '';
	//Adiciona ou retira o negrito	
	var div  = document.getElementById('textos');
	for( var j = 0; j < elements.length; j++ ){
		var tags = div.getElementsByTagName(elements[j]);
		for( var i = 0; i < tags.length; i++ ){			
			tags[i].style.fontStyle = italic;
		}
	}	
}

function sublinhado(arg){
	if( arg == 'sub' && sublim == '' )
		sublim = 'underline';
	else
		sublim = '';
	//Adiciona ou retira o negrito	
	var div  = document.getElementById('textos');
	for( var j = 0; j < elements.length; j++ ){
		var tags = div.getElementsByTagName(elements[j]);
		for( var i = 0; i < tags.length; i++ ){			
			tags[i].style.textDecoration = sublim;
		}
	}	
}