// FUNÇÕES AUXILIARES
function trimAll( strValue ) {
 var objRegExp = /^(\s*)$/;

    if(objRegExp.test(strValue)) {
       strValue = strValue.replace(objRegExp, '');
       if( strValue.length == 0)
          return strValue;
    }

   objRegExp = /^(\s*)([\W\w]*)(\b\s*$)/;
   if(objRegExp.test(strValue)) {
       strValue = strValue.replace(objRegExp, '$2');
    }
  return strValue;
}

function isValid(parm,val) {
  if (parm == "") return false;
  for (i=0; i<parm.length; i++) {
    if (val.indexOf(parm.charAt(i),0) == -1) return false;
  }
  return true;
}

// FUNÇÕES DE VALIDAÇÃO
function ValidarExtensao(field, ext) { 
	//fazer a contagem de pontos para invalidar o upload
	if (field.value.indexOf('.' + ext.toLowerCase()) == -1) { 
		if (field.value.indexOf('.' + ext.toUpperCase()) == -1) { 
			return false; 
		}
	} 
	else {
		return true; 
	}
} 

function ValidarData( strValue ) {
  var objRegExp = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/

  if(!objRegExp.test(strValue))
    return false; 
  else{
    var strSeparator = strValue.substring(2,3) 
    var arrayDate = strValue.split(strSeparator); 

    var arrayLookup = { '01' : 31,'03' : 31, '04' : 30,'05' : 31,'06' : 30,'07' : 31,
                        '08' : 31,'09' : 30,'10' : 31,'11' : 30,'12' : 31}
    var intDay = parseInt(arrayDate[0]);

    if(arrayLookup[arrayDate[0]] != null) {
      if(intDay <= arrayLookup[arrayDate[0]] && intDay != 0)
        return true; 
    }

    var intYear = parseInt(arrayDate[2]);
    var intMonth = parseInt(arrayDate[1]);
    if( ((intYear % 4 == 0 && intDay <= 29) || (intYear % 4 != 0 && intDay <=28)) && intDay !=0)
      return true; 
  }
  return false; 
}

function ValidarEmail(str){
var testresults;
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
if (filter.test(str))
testresults=true;
else{
testresults=false;
}
return (testresults);
}

function ValidarPreenchido( strValue ) {
   var strTemp = strValue;
   strTemp = trimAll(strTemp);
   if(strTemp.length > 0){
     return true;
   }
   return false;
}

function  ValidarNumerico( strValue ) {
  var numb = '0123456789.';
  return isValid(strValue,numb);
}

function ValidarHora( strValue, formato) {
	if (ValidarNumerico(strValue) == true) {
		if (formato == "hora") {
			if (parseInt(strValue) > 23) {
				return false;
			}
			else {
				return true;
			}
		}
		else {
			if (parseInt(strValue) > 59) {
				return false;
			}
			else {
				return true;
			}			
		}
	}
	else {
		return false;
	}
}

//*****************************************************************************
function select_all(valor,id) {
	var x = document.getElementById(id);
	for(i=0; i<x.length; i++) {
		x[0].checked = valor;
	}
}

function preview(valor) {
	//criar um objecto de imagem
	document.getElementById("preview_p").src = "";
	document.getElementById("preview_p").src = valor;
}

function select_linha(id,valor,old_class) {
	if (valor == true) {
		document.getElementById("line"+id).className = 'tabela3';
		document.getElementById("cnt").value = parseInt(document.getElementById("cnt").value)+1;
	}
	else {
		document.getElementById("line"+id).className = old_class;
		document.getElementById("cnt").value = parseInt(document.getElementById("cnt").value)-1;
	}
}

function destroi(elemento) {
	//obter o número de opções existentes
	var el = document.getElementById(elemento);
	var ktos = el.options.length;
	while (ktos >= 0) {
		el.remove(0);
		ktos--;
	}
}
function post(elemento,valor,texto) {
	var el = document.getElementById(elemento);
	var option = new Option(texto, valor);
	el.options.add(option);
}

function v_browser(string) {
	var detect = navigator.userAgent.toLowerCase();	
	place = detect.indexOf(string) + 1;
//	thestring = string;
	return place;
}
function escolher_hotel(valor) {
	window.location = "ecra.php?ch_hotel="+valor;
}
function escolher_ano(valor) {
	window.location = "ecra.php?ch_ano="+valor;
}
//*******************************************************************
function mostrar_elemento(objecto,mostrar) {
	if (mostrar == true) {
		valor = "block";
		valor2 = "visible";
	}
	else {
		valor = "none";	
		valor2 = "hidden";
	}
	document.getElementById(objecto).style.display = valor;
	document.getElementById(objecto).style.visibility = valor2;
}

function contar(valor) {
	var o = parseInt(document.forms[0].cnt.value);
	
	if (valor == true) {
		o++;
	}
	else {
		o--;
	}
	document.forms[0].cnt.value = o;
}

function textCounter(field,cntfield,maxlimit) {
	if (field.value.length > maxlimit) {
		field.value = field.value.substring(0, maxlimit);
	}
	else {
		cntfield.value = maxlimit - field.value.length;		
	}
}

//FUNÇÕES MACROMEDIA
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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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];}}
}

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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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 findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}