// Funciones web
var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);

function Mostrar(id){           								
    // Netscape 4
    if(ns4){
        document.layers[id].position = "static";
        document.layers[id].visibility = "show";
    }
    // Explorer 4
    else if(ie4){
        document.all[id].style.position = "static";
        document.all[id].style.visibility = "visible";
    }
    // W3C - Explorer 5+ and Netscape 6+
    else if(ie5 || ns6){
        document.getElementById(id).style.position = "static";
        document.getElementById(id).style.visibility = "visible";
    }
}

function Ocultar(id){    
    // Netscape 4
    if(ns4){
        document.layers[id].position = "absolute";
        document.layers[id].visibility = "hide";
    }
    // Explorer 4
    else if(ie4){
        document.all[id].style.position = "absolute";
        document.all[id].style.visibility = "hidden";
    }
    // W3C - Explorer 5+ and Netscape 6+
    else if(ie5 || ns6){
        document.getElementById(id).style.position = "absolute";
        document.getElementById(id).style.visibility = "hidden";
    }
}

//--------------------------------------------------------------
function valido(){
 var myindex=form1.meses.selectedIndex;
 if (form1.meses[myindex].value == '0')
     {
      alert("Seleccione Mes");
	  form1.meses.focus();
  	  return false;
     } 
 var myindex=form1.anio.selectedIndex;
 if (form1.anio[myindex].value == '0')
     {
      alert("Seleccione Aņo");
	  form1.anio.focus();
  	  return false;
     } 
 return true;
 document.form1.submit();
}

function valido1(){
 var myindex=form1.meses1.selectedIndex;
 if (form1.meses1[myindex].value == '0')
     {
      alert("Seleccione Mes");
	  form1.meses1.focus();
  	  return false;
     } 
 var myindex=form1.anio1.selectedIndex;
 if (form1.anio1[myindex].value == '0')
     {
      alert("Seleccione Aņo");
	  form1.anio1.focus();
  	  return false;
     } 
 //return true;
 document.form1.submit();
}
function valido2(){
 var myindex=form2.compania2.selectedIndex;
 if (form2.compania2[myindex].value == '0')
     {
      alert("Seleccione Compaņia");
	  form2.compania2.focus();
  	  return false;
     } 
 var myindex=form2.meses2.selectedIndex;
 if (form2.meses2[myindex].value == '0')
     {
      alert("Seleccione Mes");
	  form2.meses2.focus();
  	  return false;
     } 
 var myindex=form2.anio2.selectedIndex;
 if (form2.anio2[myindex].value == '0')
     {
      alert("Seleccione Aņo");
	  form2.anio2.focus();
  	  return false;
     } 
 //return true;
 document.form2.submit();
}

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

var lastLeiar="";
var nuSuntInMeniu=1;
var nmenu="";

function haidTemporizat(valor) {
	var args=haidTemporizat.arguments;
	nmenu=valor;
	setTimeout("stergeLeiar('"+args[0]+"');", 1000);
}

function stergeLeiar(){
	if(nuSuntInMeniu){
		MM_showHideLayers(stergeLeiar.arguments[0], '', 'hide');	
	}
}

function stergeLastLeiar(){
	var args=stergeLastLeiar.arguments;
	if(args[0]!=lastLeiar){
        MM_showHideLayers(lastLeiar, '', 'hide');
        }
}

function onColor(lr){
	lr.style.backgroundColor='BDD7F7';
}

function offColor(lr){
	lr.style.backgroundColor='EDF6FF';
}

function MM_showHideLayers() { //v3.0
  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;
  }
}

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 isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}

function doUnload(){
	if (window.event.clientX < 0 && window.event.clientY < 0){
		window.open('logout.asp','delete','width=1,height=1');
	}
}