var calPath="../js/calendar/";
var URLHomePage="http://www.elcine.pucp.edu.pe/htdocs";

function gotoPage(ppg){
	var xform = document.forms[0];
	xform.pg.value=ppg;
	xform.submit();
}

function checkMark(xform){
	var cont=xform.count.value;
	var xSel=",";
	var i;
	if(cont>1){
		for(i=0;i<cont;i++){
			if (eval('xform.chkItem['+i+'].checked')){
				xSel= xSel + "," + eval('xform.chkItem['+i+'].value');
			}
		}
	}else{
			if (eval('xform.chkItem.checked')){
				xSel= xSel + eval('xform.chkItem.value');
			}
	}
	return xSel;
}

function browseImages(pFilenameControl, pFilesizeControl, pFileExtensions, pDirectory, pURL, pMaxWidth, pMaxHeight)
{
	var objWindow=window.open("../upload/browse.php?pFilenameControl="+pFilenameControl+"&pDirectory="+pDirectory+"&pURL="+pURL+"&pMaxWidth="+pMaxWidth+"&pMaxHeight="+pMaxHeight+"&pFilesizeControl="+pFilesizeControl+"&pFileExtensions="+pFileExtensions+"&pBoton=1","buscar","top=50,left=100,width=700,height=500",1,-1);
	objWindow.focus();
}

function loadImages(pForm, pDirectory, pURL)
{
	window.open("../upload/load.php?pForm="+pForm+"&pDirectory="+pDirectory+"&pURL="+pURL,"buscar","top=50,left=100,width=500,height=150",1,-1);
}
function esFecha(dia,mes,ano){
	var num_dias;
	if(parseInt(mes)>=1 && parseInt(mes)<=12){
		switch(parseInt(mes)){
			case 1 : num_dias=31; break;
			case 2 : num_dias=((ano % 4)==0) ? 29 : 28; break;
			case 3 : num_dias=31; break;
			case 4 : num_dias=30; break;
			case 5 : num_dias=31; break;
			case 6 : num_dias=30; break;
			case 7 : num_dias=31; break;
			case 8 : num_dias=31; break;
			case 9 : num_dias=30; break;
			case 10 : num_dias=31; break; 
			case 11 : num_dias=30; break;
			case 12 : num_dias=31; break;
			default : num_dias=31; 
		}
		if(parseInt(dia)<=num_dias){
			return true;
		}
		else{
			return false;
		}
	}
	else{
		return false;
	}
}


function fieldValidate(tipval)
{
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
	    if(xkey=="13")
			event.returnValue = true;
		else
		{
			if(tipval=="int")
				if ((xkey < 48) || (xkey > 57)) event.returnValue = false;
			if(tipval=="dec")
				if ((xkey < 46) || (xkey > 57)) event.returnValue = false;
			if(tipval=="str")
				if (((xkey != 32) && (xkey < 65)) || ((xkey > 90) && (xkey < 97))) event.returnValue = false;
			if(tipval=="tlf")
				if (((xkey != 32) && (xkey < 45)) || (xkey > 57)) event.returnValue = false;
		}

	}
}

function emailCheck (emailStr) {

	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
		alert("El correo electrónico es incorrecto. Por favor ingréselo correctamente");
		return false;
	}

	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
		alert("El nombre de usuario contiene caracteres inválidos.");
		return false;
		}
	}

	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
		alert("El nombre de dominio contiene caracteres inválidos.");
		return false;
		}
	}

	if (user.match(userPat)==null) {
		alert("El nombre de usuario no parece ser válido");
		return false;
	}

	var IPArray=domain.match(ipDomainPat);

	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			alert("dirección IP es inválido!");
			return false;
			}
		}
		return true;
	}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;

	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
		alert("El nombre de dominio no parece ser válido.");
		return false;
		}
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 &&
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
	alert("la direccion de email debe terminar con un dominio correcto o con dos letras del pais");
	return false;
	}

	if (len<2) {
	alert("Dirección no tiene un Hostname!");
	return false;
	}

	return true;
}

function checkTextBox(pTextBox, pErrorMessage)
{
	if(pTextBox.value =="")
	{
		alert(pErrorMessage);
		pTextBox.focus();
		return false;
	}
  return true;
}
function absToRel(lpszAbsolute)
{
		var re = new RegExp(URLHomePage, "gi");
		return (lpszAbsolute.replace(re, ".."));
}

function relToAbs(lpszAbsolute)
{
		var re = new RegExp("=\"../", "gi");
		return (lpszAbsolute.replace(re, "=\"../../"));
}

function checkStringNumerico()
{
    var checkStr="0123456789";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringAlfabetico()
{
    var checkStr="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZñÑáéíóúÁÉÍÓÚ ";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringAlfaNumerico(value)
{
    var checkStr="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZñÑáéíóúÁÉÍÓÚ0123456789 ";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringAlfaNumericoClear(value)
{
    var checkStr="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZñÑáéíóúÁÉÍÓÚ0123456789";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringAlfaNumericoSignos(value)
{
    var checkStr="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZñÑáéíóúÁÉÍÓÚ0123456789 .,:;'()";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringAlfabeticoSignos(value)
{
    var checkStr="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZñÑáéíóúÁÉÍÓÚ .,:;'()";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringEmail(value)
{
    var checkStr="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_.01234567890@";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringID(value)
{
    var checkStr="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_01234567890";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkStringDecimal(value)
{
    var checkStr="0123456789.";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function checkTelefono(value)
{
    var checkStr="-()0123456789";
	var xkey;
	if (document.all)
	{
		xkey=window.event.keyCode;
		if(xkey=="13")
			event.returnValue = true;
		else
	        if (!(checkStr.indexOf(String.fromCharCode(xkey)) >= 0))
	            return false;
			else
				return true;
	}
}

function ltrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(0)) != -1) {
      var j=0, i = s.length;
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;
      s = s.substring(j, i);
   }
   return s;
}
function rtrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      var i = s.length - 1;       // Get length of string
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;
      s = s.substring(0, i+1);
   }

   return s;
}
function trim(str)
{
   return rtrim(ltrim(str));
}

function openPreviewWebSite(ruta) { //v2.0
   var objWindow = window.open(ruta,'Preview','width=800,height=600,toolbar=1,location=1,directories=1,status=1,menubar=1,scrollbars=1,resizable=1');
    
   objWindow.focus();
}