var validchars  ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
var LogIn		="";
var LogOut		="";

//Intercanvi d'imatges
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_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_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];}
}
//Intercanvi d'imatges



function Trim(s){
	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')){
		s = s.substring(1,s.length);
	}
	
	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')){
    	s = s.substring(0,s.length-1);
	}
	return s;
}


function randomInt( min, max ){
	range = min - max;
	random = Math.random() * range;
	random = Math.round( random );
	return ( random<0 ) ? ( ( parseInt( min ) + random ) * -1 ) : parseInt( min ) + random;
}


function calidadPassword(pwd){
	var ieDOM = false, nsDOM = false;
	var stdDOM = document.getElementById; 	
	var strongRegex = new RegExp("^(?=.{8,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\\W).*$", "g");
	var mediumRegex = new RegExp("^(?=.{6,})(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[a-z])(?=.*[0-9]))).*$", "g");
	var enoughRegex = new RegExp("(?=.{5,}).*", "g");

	if( false == enoughRegex.test(pwd) ){
		alert(msgCalidadPassword["longitudPassword"]);
		return false;
	}else if( strongRegex.test(pwd) ){
		return true;
		}else if( mediumRegex.test( pwd ) ){
			return true;
		}else{
			alert(msgCalidadPassword["simplePassword"]);
			return false;
		}
}


function emailCheck (emailStr,idioma) {	
	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(msgEmailCheck["emailIncorrecto"]);
	   	return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	if (user.match(userPat)==null) {
		alert(msgEmailCheck["nombreUsuarioIncorrecto"]);
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
	   		if (IPArray[i]>255) {
	       		alert(msgEmailCheck["direccionesIPIncorrectas"]);
	            return false;
	   		}
		}
		return true;
	}

	var domainArray=domain.match(domainPat);
	if (domainArray==null) {
		alert(msgEmailCheck["nombreDominioIncorrecto"])
		return false
	}

	var atomPat=new RegExp(atom,"g");
	var domArr=domain.match(atomPat);
	var len=domArr.length;
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4) {
	   alert(msgEmailCheck["terminacionEmailIncorrecta"]);
	   return false;
	}
	if (len<2) {
	   alert(msgEmailCheck["nombreDominioInexistente"]);
	   return false;
	}
	return true;
}