function openNewWindow(URLtoOpen, windowName, windowFeatures) { newWindow=window.open(URLtoOpen, 'index', windowFeatures); }
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//Funciones de control del Buscador-->
	function fQuitarSimbolos(inputString){
		if (typeof inputString != "string") { 
			return inputString; 
		}
	   	var retValue = inputString;
		var ch = retValue.substring(0, 1);
		var intCont = 0;
		var intLong = retValue.length;
		
		for(intCont = 0; intCont < intLong; intCont++){
			ch = retValue.substring(intCont, intCont + 1);
			if (ch.charCodeAt(0) == "%" ){
				retValue = retValue.substring(0, retValue.indexOf(ch)) + retValue.substring(retValue.indexOf(ch) + 1, retValue.length);
				intCont--;
				intLong--;
			}
		}
		return retValue; // Return the trimmed string back to the user
	}
	
	//Función que verifica la sintaxis de la instrucción en SQL...
	function fSintaxis(inputString){
		if (typeof inputString != "string") { 
			return inputString; 
		}
	   	var retValue = inputString;
		var ch = retValue.substring(0, 1);
		var intCont = 0;
		var intLong = retValue.length;
		
		for(intCont = 0; intCont < intLong; intCont++){
			ch = retValue.substring(intCont, intCont + 1);
			if (ch == "%" || ch == "_" || ch == "\\" ){
				retValue = retValue.substring(0, retValue.indexOf(ch)) + "\\" + retValue.substring(retValue.indexOf(ch), retValue.length);
				intCont++;
				intLong++;
			}
		}
		return retValue; // Return the trimmed string back to the user
	}
	
	//Función que quita los espacios en blanco al inicio y al final en una cadena de texto...
	function trim(inputString) {
   		if (typeof inputString != "string") { return inputString; }
	   	var retValue = inputString;
		var ch = retValue.substring(0, 1);
  		while (ch == " ") { // Check for spaces at the beginning of the string
    		retValue = retValue.substring(1, retValue.length);
    		ch = retValue.substring(0, 1);
   		}
		ch = retValue.substring(retValue.length-1, retValue.length);
		while (ch == " ") { // Check for spaces at the end of the string
  			retValue = retValue.substring(0, retValue.length-1);
   			ch = retValue.substring(retValue.length-1, retValue.length);
		}
		while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
   			retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   		}
   		return retValue; // Return the trimmed string back to the user
	} // Ends the "trim" function

//Funciòn que verifica que el criterio de bùsqueda sea vàlido, si es así, comienza la búsqueda
//de las ligas dentro del servidor...
	function fValidar(){
		var strTexto = document.frmConsulta.txtCriterio.value;
		if(fQuitarSimbolos(strTexto) == ""){		
			alert("Debe especificar por lo menos una palabra a buscar.");
			document.frmConsulta.txtCriterio.value = "";			
			document.frmConsulta.txtCriterio.focus();
			return;	
		}
		document.frmConsulta.hidCriterio.value = trim(fSintaxis(strTexto));
		document.frmConsulta.parBuscar.value = "SI";
		document.frmConsulta.target = "_parent";
		document.frmConsulta.method = "post";
<!-- esta sentencia se utilizara mientras se compone buesqueda ipn--> 
		document.frmConsulta.action ="http://www.ipn.mx/contenido/utilitarios/busquedaGoogle.cfm?cadenaBusqueda=" + document.frmConsulta.hidCriterio.value;
		document.frmConsulta.submit();
	}
	
//Función que valida la entrada de texto(caracteres con ASCII < 127)
function fValidarKey(){
	var charCode = event.keyCode;
	if (charCode == 13){
		fValidar();
		return false;
	}
	return true;
}
//Coloca el cursos en el input para  el busca???†þ?dor
function fCargarPagina(){
	document.frmConsulta.txtCriterio.focus();
}
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_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_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 && d.getElementById) x=d.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_setTextOfLayer(objName,x,newText) {
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}
function MM_reloadPage(init) {
  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();
}
function MM_showHideLayers() { //v6.0
  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; }
}