// JavaScript Document

<!-- 
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v; }
    obj.display=v; }
}
//-->
function TrocarEstilo(id) {
  var element = document.getElementById(id);
  if (element.className == 'normal') {
    element.className = 'rebaixado';
    }
  else {
    element.className = 'normal';
    }
}




window.onresize = resizePop;

function abreFechaPop(pop) {
	var e=document.getElementById(pop);
	if (document.all) {
		var displayReal=e.currentStyle.display;
	} else {
		var cs=document.defaultView.getComputedStyle(e, null);
		var displayReal=cs.getPropertyValue('display');
	}
	if (displayReal == 'block') {
		document.getElementById('bkgPop').style.display = 'none';
		document.getElementById('frm').style.display = 'none';
		document.getElementById(pop).style.display = 'none';
	} else {
		resizePop();
		document.getElementById('bkgPop').style.display = 'block';
		document.getElementById('frm').style.display = 'block';
		document.getElementById(pop).style.display = 'block';
	}
}
function resizePop() {
	if (!document.all) {
		document.getElementById('bkgPop').style.height = window.innerHeight + 20 + 'px';
		document.getElementById('frm').style.height = window.innerHeight + 20 + 'px';
		if (window.innerHeight < document.body.clientHeight) {
			document.getElementById('bkgPop').style.height = document.body.clientHeight + 20 + 'px';
			document.getElementById('frm').style.height = document.body.clientHeight + 20 + 'px';
		}
	} else {		
		if (document.documentElement.clientHeight < document.body.clientHeight) {
			document.getElementById('bkgPop').style.height = document.body.clientHeight + 20 + 'px';
			document.getElementById('frm').style.height = document.body.clientHeight + 20 + 'px';
		} else {
			document.getElementById('bkgPop').style.height = document.documentElement.clientHeight + 20 + 'px';
			document.getElementById('frm').style.height = document.documentElement.clientHeight + 20 + 'px';
		}
	}
}



/*function abreImg(img) {
	resizePop();
	document.getElementById('cImg').innerHTML = ""
	document.getElementById('cImg').style.display = "block";
	document.getElementById('bkgPop').style.display = "block";
	document.getElementById('frm').style.display = "block";
}
function fechaImg() {
	document.getElementById('cImg').style.display = "none";
	document.getElementById('bkgPop').style.display = "none";
	document.getElementById('frm').style.display = "none";
	document.getElementById('cImg').innerHTML = "";
}*/



// AJUSTA TAMANHO DA FONTE
var tam = 16;
var min = 14;
var max = 20;
function mudaFonte(tipo) {
	switch (tipo) {
		case '+':
			if (tam < max) {
				tam += 2;
			}
			break;
		case '-':
			if (tam > min) {
				tam -= 2;
			}
			break;
	}
	document.body.style.fontSize = tam + 'px';
}