var ns4 = document.layers;
var ns6 = document.getElementById && !document.all;
var ie4 = document.all;

/* ------------------------------------------------------------------------- */
/* Geral */

function objOnOff(obj) {
	var el = document.getElementById(obj);

	if(el.style.display == "block") {
		el.style.display  = "none";
	}
	else {
		el.style.display  = "block";
		el.focus();
	}
}

function imprimir() {
	window.print();
}

function fechar() {
	window.close();
}

function voltar() {
	window.history.back();
}

/* ------------------------------------------------------------------------- */
/* Popups */

function popupCentralizar(w, h) {
	var wid = w;
	var hei = h;
	
	var wid_screen = screen.width;
	var hei_screen = screen.height;
	
	var px = Math.ceil((wid_screen - wid) / 2);
	var py = Math.ceil((hei_screen - hei) / 2 * 0.40);
	
	var str = "top="+py+", left="+px+", width="+wid+", height="+hei;

	return str;
}

function popupEsqTop(w, h) {
	var wid = w;
	var hei = h;
	
	var wid_screen = screen.width;
	var hei_screen = screen.height;
	
	var px = 15;
	var py = 10;
	
	var str = "top="+py+", left="+px+", width="+wid+", height="+hei;

	return str;
}

/* ------------------------------------------------------------------------- */
/* Funções de swap de imagens - fireworks */

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])?args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) { img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr) for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

// -----------------------------------------------------------------------
// Validate Forms

function vCalendarData(obj) {
	Calendar.setup({
		inputField: obj.id, 
		button: obj.id,
		ifFormat: "%d/%m/%Y",
		showsTime: false,
		timeFormat: "24"
	});
}

function vCheckAllCheckbox(chk, frm_name) {
	var i, flag = false;
	var frm = document.forms[frm_name];
	
	for(i = 0; i < frm.elements.length; i++) {
		if(frm.elements[i].name.indexOf("chk_") != -1) {
			if(chk.checked) {
				frm.elements[i].checked = true;
			}
			else {
				frm.elements[i].checked = false;
			}
			
			if(frm.elements[i].value) {
				trOnOff(frm.elements[i], frm.elements[i].value);
			}
		}
	}
}

function vSubmit(frm_name) {
	var frm = document.forms[frm_name];
	frm.submit();
}

function vCheckbox(frm) {
	var i, flag = false;
	
	for(i = 0; i < frm.elements.length; i++) {
		if((frm.elements[i].name.indexOf("chk_") != -1) && (frm.elements[i].checked)) {
			flag = true;
			break;
		}
	}
	
	return flag;
}

function vFrmEnter(frm_name) {
	if(event.keyCode == 13) {
		document.forms[frm_name].submit();
	}
	
	return false;
}