isDOM = (document.getElementById ? true : false);
isIE = (document.all ? true : false);

function MM_swapImgRestore(){
  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(){
  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){
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage(){
  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_showHideLayers() {
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

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 getLayerName(strLayerName) {
	var objLayerName;
	if (isDOM)
		objLayerName = document.getElementById(strLayerName).style;
	else if (isIE)
		objLayerName = document.all[strLayerName].style;
	else 
		objLayerName = document.layers[strLayerName];
	return objLayerName;
}

function getObjectName(strObjectName) {
	var objObjectName;
	if (isDOM)
		objObjectName = document.getElementById(strObjectName);
	else if (isIE)
		objObjectName = document.all[strObjectName];
	else{
		if (document[strObjectName]) 
			objObjectName = document[strObjectName];
		else{ 
			for (i = 0; i < document.layers.length; i++){
				if (document.layers[i].document[strObjectName]){
					objObjectName = document.layers[i].document[strObjectName];
					break;
				}
			}
		}
	}
	return objObjectName;
}

function setLayerPosition(objLayerName, strNamePositioner, intTop, intLeft) {
	var objNamePositioner;
	intTop = parseInt(intTop);
	intLeft = parseInt(intLeft);
	if (strNamePositioner){
		if (isDOM)
			objNamePositioner = document.getElementById(strNamePositioner);
		else if (isIE)
			objNamePositioner = document.all[strNamePositioner];
		else{
			if (document[strNamePositioner]) 
				objNamePositioner = document[strNamePositioner];
			else if (objLayerName.document[strNamePositioner])
				objNamePositioner = objLayerName.document[strNamePositioner];
			else{ 
				for (i = 0; i < document.layers.length; i++){
					if (document.layers[i].document[strNamePositioner]){
						objNamePositioner = document.layers[i].document[strNamePositioner];
						break;
					}
				}
			}
		}

		objLayerName.top = parseInt(getAbsY(objNamePositioner)) + intTop;
		objLayerName.left = parseInt(getAbsX(objNamePositioner)) + intLeft;
	}else{
		objLayerName.top = intTop;
		objLayerName.left = intLeft;
	}
}

function getAbsX(objElement){
	if (!(isDOM) && !(isIE)){
		var strNombreElemento = objElement.name;
		if (!document[strNombreElemento]){
			for (i = 0; i < document.layers.length; i++){
				if (document.layers[i].document[strNombreElemento]){
					objElement = document.layers[i].document[strNombreElemento];
					objLayer = document.layers[i];
					break;
				}
			}
			return (objLayer.x + objElement.x);
		}else
			return ((objElement.x) || (parseInt(objElement.x) == 0)) ? objElement.x : getAbsPos(objElement, "Left");
	}else
		return ((objElement.x) || (parseInt(objElement.x) == 0)) ? objElement.x : getAbsPos(objElement, "Left");
}

function getAbsY(objElement){
	if (!(isDOM) && !(isIE)){
		var strNombreElemento = objElement.name;
		if (!document[strNombreElemento]){
			for (i = 0; i < document.layers.length; i++){
				if (document.layers[i].document[strNombreElemento]){
					objElement = document.layers[i].document[strNombreElemento];
					objLayer = document.layers[i];
					break;
				}
			}
			return (objLayer.y + objElement.y);
		}else
			return ((objElement.y) || (parseInt(objElement.y) == 0)) ? objElement.y : getAbsPos(objElement,"Top");
	}else
		return ((objElement.y) || (parseInt(objElement.y) == 0)) ? objElement.y : getAbsPos(objElement,"Top");
}

function getAbsPos(objElement,which) {
	iPos = 0;
	while (objElement != null) {
		iPos += objElement["offset" + which];
		objElement = objElement.offsetParent;
	}
	return iPos;
}

function setClippingArea(objLayerScan, intTop, intRight, intBottom, intLeft){

	if (document.layers){
		intTop = parseInt(intTop);
		intLeft = parseInt(intLeft);
		intBottom = parseInt(intBottom);
		intRight = parseInt(intRight);
		objLayerScan.clip.top = intTop;
		objLayerScan.clip.bottom = intBottom;
		objLayerScan.clip.left = intRight;
		objLayerScan.clip.right = intLeft;
	}else
		objLayerScan.clip = 'rect(' + intTop + ' ' + intLeft + ' ' + intBottom + ' ' + intRight + ')';
}

function centrarLayers(){
	var strArgs = centrarLayers.arguments;
	for (i = 0; i < (strArgs.length) - 2; i += 3){
		setLayerPosition(getLayerName(strArgs[i]), 'imgReferencia', strArgs[i+1], strArgs[i+2]);
		MM_showHideLayers(strArgs[i], '', 'show');
	}
}


function autoTab(input,len, e) 
{
	var keyCode = (isNN) ? e.which : e.keyCode; 
	var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
	if(input.value.length >= len && !containsElement(filter,keyCode)) {
		input.value = input.value.slice(0, len);
		input.form[(getIndex(input)+1) % input.form.length].focus();
}
	
	return true;
}
	
var isNN = (navigator.appName.indexOf("Netscape")!=-1);
	
function getIndex(input) {
	var index = -1, i = 0, found = false;
	while (i < input.form.length && index == -1)
	if (input.form[i] == input)index = i;
	else i++;
	return index;
}
function containsElement(arr, ele) {
var found = false, index = 0;
while(!found && index < arr.length)
	if(arr[index] == ele)
		found = true;
	else
		index++;
	return found;
}

function emailCheck (emailStr) {
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"

	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
		
	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
	return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]
		
	// See if "user" is valid 
	if (user.match(userPat)==null) {
	   return false
	}
		
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
		return false
	    }
	   }
	   return true
	}
		
	// Domain is symbolic name
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
//		alert("The domain name doesn't seem to be valid.")
	   return false
	}
		
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
	   domArr[domArr.length-1].length>3) {
	  return false
	}
		

	if (len<2) {
	  var errStr="This address is missing a hostname!"
	  return false
	}
		
	return true;
}


function isValidDate(dateStr)
{
	var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/;
	var matchArray = dateStr.match(datePat); // is the format ok?
	if (matchArray == null)
	{
		return false;
	}
	dia = matchArray[3];
	mes = matchArray[1];
	ano = matchArray[4];
	if (mes < 1 || mes > 12)
	{
		// chequeo de mes
		return false;
	}
	if (dia < 1 || dia > 31)
	{
		// chequeo de dia
		return false;
	}
	if ((mes==4 || mes==6 || mes==9 || mes==11) && dia==31)
	{
		return false;
	}
	if (mes == 2)
	{
		var g = parseInt(ano / 4);
		if (dia > 29 || (dia == 29 && (ano / 4) != g))
		{
			return false;
		}
	}
	return true;
}	
		

function isCuit(val) 
{
   var test1 = "0123456789"
   var c
   var cPersona
		
   if (val.length != 13)
      return false
		
   for (var i = 0; i < val.length; i++)
   {
      c = test1.indexOf(val.charAt(i))
      if (c < 0)
      {
	 if (i!=2 && i!=11)
	    return false
	 else
	    if (val.charAt(i) != '-')
	       return false
      }
   }
   cPersona = val.charAt(0) + val.charAt(1)
   if (cPersona !="17" && 
       cPersona !="20" && 
       cPersona !="21" && 
       cPersona !="22" && 
       cPersona !="23" && 
       cPersona !="24" && 
       cPersona !="27" && 
       cPersona !="28" && 
       cPersona !="29" && 
       cPersona !="30" && 
       cPersona !="33" && 
       cPersona !="99" )
      return false
		
   return true
}
function is1024()
{
	return window.screen.width>800;
}