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]), 'referencia_' + strArgs[i], strArgs[i+1], strArgs[i+2]);
		MM_showHideLayers(strArgs[i], '', 'show');
	}
}

function cambiarBgColor (tr, nombreCeldas, estado, colorComparar, colorBg, colorTexto) {
  if (tr.style.background != colorComparar) {
	  if (estado == 1) {
	    limpiarCeldas(nombreCeldas, "#ffffff", "#000000");
	    tr.style.color 			= colorTexto;
	    tr.style.background = colorBg;
	  }
	  else {
	    tr.style.color 			= colorTexto;
	    tr.style.background = colorBg;
	  }
	}
}

function limpiarCeldas (nombre, bgAnterior, textoAnterior) {
  var loop = true;
  for (i = 0; loop; i++) {
    tr = document.all(nombre + i);
    if (tr) {
      //Seteo el color original
      tr.style.background = bgAnterior;
      tr.style.color 			= textoAnterior;
    }
    else {
      loop = false;
    }
  }
}

			function cambiarTexto (strTd, objHid, strTexto, strValue) {
				document.all(strTd).innerHTML = strTexto;
				document.all(objHid).value 		= strValue;
			}
			
			function doCentrarLayers (layer, top, left, hid, nombreTr) {
				if (document.all(hid).value == "") {
					centrarLayers(layer, 22, 0); //Centro el layer
					document.all(hid).value = "desplegado"; //Seteo el flag para el layer desplegado
					cambiarBgColor(document.all(nombreTr + document.all(hid + "Selec").value), nombreTr, 1, '#0A246A', '#0A246A', '#ffffff'); //Seteo el color del item seleccionado
				}
				else {
					MM_showHideLayers(layer, "", "hide");
					document.all(hid).value = "";
				}
			}

	function verFoto(strPath){
		var fecha = new Date();
		openPopup('verFoto.php?foto='+strPath, 200, 200, false, false, "foto"+fecha.getSeconds());
	}
	var ventana;
	var cont=0;
	function afoto(strPath){
		if(cont==1){ventana.close();ventana=null}
		
		ventana=window.open('','ventana'+strPath,'resizable=yes,scrollbars=no')
		ventana.document.write('<html><head><title>Foto</title></head><body style="overflow:hidden" marginwidth="0" marginheight="0" topmargin="0" bottommargin="0" leftmargin="0" rightmargin="0" scroll="no" onUnload="opener.cont=0"><img src="' + strPath + '" onLoad="opener.redimensionar(this.width, this.height)">');
		ventana.document.close();
		cont++;
	}
	
	function redimensionar(ancho, alto){
		ventana.resizeTo(ancho+12,alto+28);
		ventana.moveTo((screen.width-ancho)/2,(screen.height-alto)/2); //centra la ventana. Eliminar si no se quiere centrar el popup
	}

	function verFichaProyecto(intIdProyecto,intFamilia){
		switch(intFamilia){
			case 1: strUrl = "multimedia.php"; break;
			case 2: strUrl = "games.php"; break;
			case 3: strUrl = "elearning.php"; break;
		}
		
		window.location = "ficha.php?id="+intIdProyecto+"&url="+strUrl;
	}
	
	function emptyObjCmb(obj){
		for (i = 0; i < obj.length; i++) {
	 		obj.options[i] = null;
	 	}
	 	obj.options.length = 0;
	}
	
	function selectItemCombo(id, cmb)
	{	/*Selecciona el ítem <id> del combo <cmb>	*/
		for(var j=0; j < cmb.length; j++){
			if(parseInt(cmb[j].value) == parseInt(id)){
				cmb[j].selected = true;						  			
			}
		}	  	
	}
	
   function descargar(path, file) {
        document.getElementById("ifrmDownload").src = "download.php?path="+path+"&file="+file;
   }

function trim(str){
    if(!str || typeof str != 'string')
        return null;

    return str.replace(/^[\s]+/,'').replace(/[\s]+$/,'').replace(/[\s]{2,}/,' ');
}  
function anularBotonDerecho(e) {
 if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2)){
   return false;
 } else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2)) {
 }
}