// JavaScript Document
function llama_aplicacion(opcion){
	if(opcion==1)	window.location.href='../tb_noticias/noticias.php';
	if(opcion==2)	window.location.href='../tb_relaciones/relaciones.php';
	if(opcion==3)	window.location.href='../valores_config/index.php';
	if(opcion==4)	window.location.href='../tb_temas/temas.php';
}
if (history.forward(1)){location.replace(history.forward(1))} 

/*function mOvr(src,clrOver) 
{
    if (!src.contains(event.fromElement)) 
	{
	  src.style.cursor = 'hand';
	  src.bgColor = clrOver;
	}
}

function mOut(src,clrIn) 
{
	if (!src.contains(event.toElement)) 
	{
	  src.style.cursor = 'default';
	  src.bgColor = clrIn;
	}
}*/
function mOvr(src,clrOver) {
	var elmts = document.getElementsByTagName("tr");
	elmts[src.id].style.cursor = 'hand';
	elmts[src.id].bgColor = clrOver;

}
function mOut(src,clrIn) {
	var elmts = document.getElementsByTagName("tr");
	elmts[src.id].style.cursor = 'default';
	elmts[src.id].bgColor = clrIn;
}
function mgOver(obj){
	var elm = document.getElementsByTagName("a");
	elm[obj.id].setAttribute("class","migasover");
}
function mgOut(obj){
	var elm = document.getElementsByTagName("a");
	elm[obj.id].setAttribute("class","migas");
}

function limitetxtarea(fld, e, maxlimite) {
 var key = '';  //Usada		 
 if (fld.value.length >= maxlimite) return false; 	 	 
			return true;
}

  function StringReplace( buscar, reemplazar, original ) { 
	var cadena = original;
	var pos = 0;
	// Se validan los parametros de entrada
	if (buscar == "") return cadena;	
	var len = buscar.length;           //Obtiene la longitud de la cadena que esta buscando
	var limit = cadena.length;   //Obtiene la longitud de la cadena que va a reemplazar
	
	pos = cadena.indexOf(buscar);
	while (pos != -1) { 
		preString = cadena.substring(0, pos);
		postString = cadena.substring(pos+len, cadena.length);
		cadena = preString + reemplazar + postString;
		pos = cadena.indexOf(buscar);		
	} 	
	return cadena;	
  }
  
  function parseo(cadena){
	  var originalString;	  
	  originalString = StringReplace("\n","[n]", cadena);
	  originalString = StringReplace("\r","[r]", originalString);
	  originalString = StringReplace("\t","[t]", originalString);
	  originalString = StringReplace("\\","[b]", originalString);
	  originalString = StringReplace("\$","[p]", originalString);
	  originalString = StringReplace("\"","[c]", originalString);
	  originalString = StringReplace("&","[a]", originalString);
	  originalString = StringReplace("#","[num]", originalString);
	  return originalString;
  }

function GetRadioValue( radioObject ) { 
	var value = null;
	var objeto = radioObject;
	if(objeto.length  > 1){
		if (objeto == null) return null;
		for (var i=0; i < objeto.length; i++) { 
			if (objeto[i].checked) { 
				value = objeto[i].value;
				break;
			} 
		}	
	}else{
		value=document.form1.seleccion.value;
	}
	return value;
} 
/******************************************************************************
* Funcion que permite solo numeros
******************************************************************************/
function solo_numeros(evt)
{	
	var nav4 = window.Event ? true : false;
	var key = nav4 ? evt.which : evt.keyCode;
	return (key >= 48 && key <= 57);
}
function contespacios(cadena){
	contador=0;
   for (i = 0;  i < cadena.length;  i++)
	   if (cadena.charAt(i) == ' ') contador++;
	if(contador < cadena.length ) return false;
	else	return true;
}

//scripts para el calendario
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];}}
}

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_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 fncvalidarcampo(valor, tipo){
	VACIA = "0";
	NOVALIDA = "1";
	OK="2";
   if(valor==""){
     return VACIA;
   }
   var cadenaok;
   switch(tipo){
    case "number": cadenaok = "0123456789";
                   break;
    case "string": cadenaok = "ABCDEFGHIJKLMN�OPQRSTUVWXYZ�����abcdefghijklmn�opqrstuvwxyz���� ";
                   break;
    case "alfanum":cadenaok = "ABCDEFGHIJKLMN�OPQRSTUVWXYZ�����abcdefghijklmn�opqrstuvwxyz����0123456789./*&-, ";
                   break;
    case "float":  cadenaok = ".,0123456789";
                   break;
   }
   var contador = 0;
   var ch;
   for (i = 0;  i < valor.length;  i++)
   {
     ch = valor.charAt(i);
     if (cadenaok.indexOf(ch) != -1)
       contador++
     else
       return NOVALIDA;
   }
   return OK;
  }