function checkEmail(str)
{
	var at="@";
	var dot=".";
	var lat=str.indexOf(at) ;
	var lstr=str.length ;
	var ldot=str.indexOf(dot); 
	if (str.indexOf(at)==-1){ 
		return false; 
	} 
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){ 
		return false; 
	} 
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){ 
		return false; 
	} 
	if (str.indexOf(at,(lat+1))!=-1){ 
		return false; 
	} 
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){ 
		return false; 
	} 
	if (str.indexOf(dot,(lat+2))==-1){ 
		return false; 
	} 
	if (str.indexOf(" ")!=-1){ 
		return false; 
	} 
	return true ;
}

function pijama(tablaInicial, estilo1, estilo2, numFilaAplicar)
{
	var tabla = document.all[tablaInicial];
	if (tabla)
	{
		// Por defecto pintamos un estilo diferente en cada fila
		grupoDeFilas = 2;
	
		for (i=numFilaAplicar; i<=tabla.rows.length; i++)
		{
			var fila = tabla.rows[i-1];
	            if((i%grupoDeFilas) == 0)
			{
	                fila.className = estilo2;
	            }
	            else
			{
	                fila.className = estilo1;
	            }
		}
	}
}



// Ventana_Nueva (url,ancho,alto) 
// Ventana_Nueva_Nombre (url,ancho,alto,nombre) 
// checkEmail(str) 
// show(div)
// hide(div)
// trim(inputString)
// EsEntero(Valor)
// verFuente(pagina)	-->Captura el código HTML de la página pasada como parámetro
// copyToClipboard(src)	-->Copia el recurso seleccionado en el Portapapeles
// gotoURLandClose (url)
// loginFocus()
// ImprimirPagina()
// abrirventana(url,ancho,alto,valorOpciones)
// excluirCampo




//--------------------------------------------------------------------
//--------------------------------------------------------------------
//--------------------------------------------------------------------
function Ventana_Nueva (url,ancho,alto) {
	
    if (ancho=='') ancho=500;
    if (alto=='') alto=500;
    var scrollbars="yes";
    var left=(screen.width - ancho)/2;
    var top=(screen.height - alto)/2;
    opciones='width='+ancho+',height='+alto+',left='+left+',top='+top+',location=no,toolbar=no,status=no,menubar=no,directories=no,resizable=yes,scrollbars=yes,copyhistory=no';
    window.open(url,"",opciones);
}

//--------------------------------------------------------------------
//--------------------------------------------------------------------
//--------------------------------------------------------------------
function Ventana_Nueva_Nombre (url,ancho,alto,nombre) {
    if (ancho=='') ancho=500;
    if (alto=='') alto=500;
    var scrollbars="yes";
    var left=(screen.width - ancho)/2;
    var top=(screen.height - alto)/2;
    opciones='width='+ancho+',height='+alto+',left='+left+',top='+top+',location=no,toolbar=no,status=no,menubar=no,directories=no,resizable=no,scrollbars=yes,copyhistory=no';
    window.open(url,nombre,opciones);
}

//--------------------------------------------------------------------
//--------------------------------------------------------------------
//--------------------------------------------------------------------
function checkEmail(str) { 
	var at="@";
	var dot=".";
	var lat=str.indexOf(at) ;
	var lstr=str.length ;
	var ldot=str.indexOf(dot); 
	if (str.indexOf(at)==-1){ 
		return false; 
	} 
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){ 
		return false; 
	} 
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){ 
		return false; 
	} 
	if (str.indexOf(at,(lat+1))!=-1){ 
		return false; 
	} 
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){ 
		return false; 
	} 
	if (str.indexOf(dot,(lat+2))==-1){ 
		return false; 
	} 
	if (str.indexOf(" ")!=-1){ 
		return false; 
	} 
	return true ;
}

//---------------------------------------------------------------------
//---------------------------------------------------------------------
//---------------------------------------------------------------------
function show(div) {
	if (document.all[div]) {
		if (document.all[div]) {
			document.all[div].style.visibility="visible";
			document.all[div].style.position="relative";
			//document.all[div].style.visibility="";
			//document.all[div].style.position="";
		}
	} else {
		if (document.layers[div]) {
			document.layers[div].visibility = "show";
		}
	}
}

//--------------------------------------------------------------------
//---------------------------------------------------------------------
//---------------------------------------------------------------------
function hide(div) {
	if (document.all[div]) {
		if (document.all[div]) {
			document.all[div].style.visibility="hidden";
			document.all[div].style.position="absolute";
		}
	} else {
		if (document.layers[div]) {
			document.layers[div].visibility = "hide";

		}
	}
}


//---------------------------------------------------------------------
//---------------------------------------------------------------------
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; 
} 

//------------------------------------------------------------------------
//------------------------------------------------------------------------
function EsEntero(Valor) {
	var i;	
	for (i=0;i<Valor.length;i++) {
		var currentCaracter = Valor.charAt(i);
		
		if (i==0) {
			if ( !( currentCaracter >=0 && currentCaracter <=9 ) && currentCaracter !='-')
				return false;
		} else {
			if ( !(currentCaracter>=0 && currentCaracter<=9) )
		  		return false;
		}
	}
	return true;
}   


//------------------------------------------------------------------------
//------------------------------------------------------------------------
function validardatoslibros() {
	var formulario=document.frmVisitas;
	var texto="";
	
	if (trim(formulario.txtNombre.value)==""){
		texto="\n- Nombre";
		return;
	}

	if (texto=="") {
		alert("OK");
		//form.submit();
	} else {
		alert("Debe completar los siguientes datos"+texto);
	}
}

//------------------------------------------------------------------------
//------------------------------------------------------------------------

function verFuente(pagina){
window.location = "view-source:" + pagina ;
}

//------------------------------------------------------------------------
//------------------------------------------------------------------------

function copyToClipboard(src) {
	document.selection.clear;
	txt = eval(src +".innerText");
	theObj = document.all(txt);
	txtRange = document.body.createTextRange();
	txtRange.moveToElementText(eval(src));
	txtRange.select();
	//txtRange.execCommand("RemoveFormat");
	txtRange.execCommand("Copy");
}

//------------------------------------------------------------------------
//------------------------------------------------------------------------

function gotoURLandClose( url )
{
	opener.location.href = url;
	window.close();
}

//------------------------------------------------------------------------
//------------------------------------------------------------------------

function loginFocus()
{
	if ( opener.document.pfwlogin.pfwlogin_user ) 
	{
		opener.document.pfwlogin.pfwlogin_user.focus();
	}
}

//------------------------------------------------------------------------
//------------------------------------------------------------------------
function ImprimirPagina(idmenu) {
	//Imprime la parte central del cuerpo de la pagina
	abrirventana("/Generalitats/componentes/imprimirpagina.php?idmenu="+idmenu,650,600);

}


//--------------------------------------------------------------------
//--------------------------------------------------------------------
function abrirventana(url,ancho,alto,valorOpciones){
	
	if (ancho==null)var ancho=550;
	if (alto==null) var alto=550;
	var left=(screen.width - ancho)/2;
	var top=(screen.height - alto)/2;
	
	if(!valorOpciones) {
		valorOpciones='width='+ancho+',height='+alto+',left='+left+',top='+top+',location=no,toolbar=no,status=no,menubar=no,directories=no,resizable=no,scrollbars=yes,copyhistory=no';
	}
	
	window.open(url,'',valorOpciones);
}