function borrar($pag)
{
	if (confirm ("\xbfDesea eliminar el registo?") ){
	document.location.href = $pag ;
	}
}

function modificar($pag)
{
	document.location.href = $pag ;
} 

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];}
}

//
// Validador de Rut
// Descargado desde http://www.juque.cl/
//
function revisarDigito( dvr )
{	
	dv = dvr + ""	
	if ( dv != '0' && dv != '1' && dv != '2' && dv != '3' && dv != '4' && dv != '5' && dv != '6' && dv != '7' && dv != '8' && dv != '9' && dv != 'k'  && dv != 'K')	
	{		
		alert("Debe ingresar un digito verificador valido");		
		window.document.form1.pass.focus();		
		window.document.form1.pass.select();		
		return false;	
	}	
	return true;
}

function revisarDigito2( crut )
{	
	largo = crut.length;	
	if ( largo < 2 )	
	{		
		alert("Debe ingresar el rut completo")		
		window.document.form1.pass.focus();		
		window.document.form1.pass.select();		
		return false;	
	}	
	if ( largo > 2 )		
		rut = crut.substring(0, largo - 1);	
	else		
		rut = crut.charAt(0);	
	dv = crut.charAt(largo-1);	
	revisarDigito( dv );	

	if ( rut == null || dv == null )
		return 0	

	var dvr = '0'	
	suma = 0	
	mul  = 2	

	for (i= rut.length -1 ; i >= 0; i--)	
	{	
		suma = suma + rut.charAt(i) * mul		
		if (mul == 7)			
			mul = 2		
		else    			
			mul++	
	}	
	res = suma % 11	
	if (res==1)		
		dvr = 'k'	
	else if (res==0)		
		dvr = '0'	
	else	
	{		
		dvi = 11-res		
		dvr = dvi + ""	
	}
	if ( dvr != dv.toLowerCase() )	
	{		
		alert("El rut es incorrecto")
		window.document.form1.rut.value = "";
		window.document.form1.pass.focus();		
		window.document.form1.pass.select();		
		return false	
	}

	return true
}

function Rut(texto)
{	
	var tmpstr = "";	
	for ( i=0; i < texto.length ; i++ )		
		if ( texto.charAt(i) != ' ' && texto.charAt(i) != '.' && texto.charAt(i) != '-' )
			tmpstr = tmpstr + texto.charAt(i);	
	texto = tmpstr;	
	largo = texto.length;	

	if ( largo < 2 )	
	{		
		alert("Debe ingresar el rut completo")		
		window.document.form1.pass.focus();		
		window.document.form1.pass.select();		
		return false;	
	}	

	for (i=0; i < largo ; i++ )	
	{			
		if ( texto.charAt(i) !="0" && texto.charAt(i) != "1" && texto.charAt(i) !="2" && texto.charAt(i) != "3" && texto.charAt(i) != "4" && texto.charAt(i) !="5" && texto.charAt(i) != "6" && texto.charAt(i) != "7" && texto.charAt(i) !="8" && texto.charAt(i) != "9" && texto.charAt(i) !="k" && texto.charAt(i) != "K" )
 		{			
			alert("El valor ingresado no corresponde a un R.U.T valido");			
			window.document.form1.pass.focus();			
			window.document.form1.pass.select();			
			return false;		
		}	
	}	

	var invertido = "";	
	for ( i=(largo-1),j=0; i>=0; i--,j++ )		
		invertido = invertido + texto.charAt(i);	
	var dtexto = "";	
	dtexto = dtexto + invertido.charAt(0);	
	dtexto = dtexto + '-';	
	cnt = 0;	

	for ( i=1,j=2; i<largo; i++,j++ )	
	{		
		//alert("i=[" + i + "] j=[" + j +"]" );		
		if ( cnt == 3 )		
		{			
			dtexto = dtexto + '.';			
			j++;			
			dtexto = dtexto + invertido.charAt(i);			
			cnt = 1;		
		}		
		else		
		{				
			dtexto = dtexto + invertido.charAt(i);			
			cnt++;		
		}	
	}	

	invertido = "";	
	for ( i=(dtexto.length-1),j=0; i>=0; i--,j++ )		
		invertido = invertido + dtexto.charAt(i);	

	window.document.form1.rut.value = invertido.toUpperCase()		

	if ( revisarDigito2(texto) )		
		return true;	

	return false;
}

//----------------- VALIDA FECHA --------------------
function esDigito(sChr){
var sCod = sChr.charCodeAt(0);
return ((sCod > 47) && (sCod < 58));
}
function valSep(oTxt){
var bOk = false;
bOk = bOk || ((oTxt.value.charAt(2) == "-") && (oTxt.value.charAt(5) == "-"));
bOk = bOk || ((oTxt.value.charAt(2) == "/") && (oTxt.value.charAt(5) == "/"));
return bOk;
}
function finMes(oTxt){
var nMes = parseInt(oTxt.value.substr(3, 2), 10);
var nRes = 0;
switch (nMes){
case 1: nRes = 31; break;
case 2: nRes = 29; break;
case 3: nRes = 31; break;
case 4: nRes = 30; break;
case 5: nRes = 31; break;
case 6: nRes = 30; break;
case 7: nRes = 31; break;
case 8: nRes = 31; break;
case 9: nRes = 30; break;
case 10: nRes = 31; break;
case 11: nRes = 30; break;
case 12: nRes = 31; break;
}
return nRes;
}
function valDia(oTxt){
var bOk = false;
var nDia = parseInt(oTxt.value.substr(0, 2), 10);
bOk = bOk || ((nDia >= 1) && (nDia <= finMes(oTxt)));
return bOk;
}
function valMes(oTxt){
var bOk = false;
var nMes = parseInt(oTxt.value.substr(3, 2), 10);
bOk = bOk || ((nMes >= 1) && (nMes <= 12));
return bOk;
}
function valAno(oTxt){
var bOk = true;
var nAno = oTxt.value.substr(6);
bOk = bOk && ((nAno.length == 2) || (nAno.length == 4));
if (bOk){
for (var i = 0; i < nAno.length; i++){
bOk = bOk && esDigito(nAno.charAt(i));
}
}
return bOk;
}
function valFecha(oTxt){
var bOk = true;
if (oTxt.value != ""){
bOk = bOk && (valAno(oTxt));
bOk = bOk && (valMes(oTxt));
bOk = bOk && (valDia(oTxt));
bOk = bOk && (valSep(oTxt));
if (!bOk){
alert("Fecha inválida");
oTxt.value = "";
oTxt.focus();
}
}
}

function isEmailAddress(theElement)
{
var s = theElement.value;
//var filter=/^[A-Za-z][A-Za-z0-9_]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
var filter=/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;

//if (s.length == 0 ) return false;
if (filter.test(s))
	return true;
else
	alert("Ingrese una dirección de correo válida");
	window.document.form1.sitio.focus();
	return false;
}