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;
}


var strOpenItemName = '';

function CutRenderLayer(strLayerName){
        var objLayerOpen = getLayerName (strLayerName);
        objLayerOpen.visibility = 'hidden';
        objLayerOpen.display = 'none';
}

function RenderLayer(strLayerName){
        var objLayerOpen = getLayerName (strLayerName);
        objLayerOpen.visibility = 'visible';
        objLayerOpen.display = 'block';
}

function RenderObject(obj){
        obj.style.display = 'block';
        obj.style.visibility = 'visible';

}

function DeRenderObject(obj){
        obj.style.visibility = 'hidden';
        obj.style.display = 'none';
}

function setPositionHideOpenItem (){
        var objLayerOpen = getLayerName (strOpenItemName);
        objLayerOpen.visibility = 'hidden';
        objLayerOpen.display = 'none';
        strOpenItemName = '';
}

function setPositionCloseOpen(strLayerName){
     	    var objLayerClick = getLayerName (strLayerName);

        if (strOpenItemName == strLayerName ){
                var objLayerOpen = getLayerName (strOpenItemName);
                objLayerOpen.visibility = 'hidden';
                objLayerOpen.display = 'none';
                strOpenItemName = '';
        }
        else{

                if (strOpenItemName != ''){
                        var objLayerOpen = getLayerName (strOpenItemName);
                        objLayerOpen.visibility = 'hidden';
                        objLayerOpen.display = 'none';
                }

                objLayerClick.visibility = 'visible';
                objLayerClick.display = 'block';
                strOpenItemName = strLayerName;
        }

}


function setPosition (strLayerName){

        var objLayerClick = getLayerName (strLayerName);

        if (strOpenItemName == strLayerName ){

        }
        else{

                if (strOpenItemName != ''){
                        var objLayerOpen = getLayerName (strOpenItemName);
                        objLayerOpen.visibility = 'hidden';
                        objLayerOpen.display = 'none';
                }

                objLayerClick.visibility = 'visible';
                objLayerClick.display = 'block';
                strOpenItemName = strLayerName;
        }
}




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;
}