//jQuery functions
$(document).ready(function(){

	$("#menu a.submenu").click(function(){
		$('.sub-menu').slideUp("fast");
		var subMenu = $(this).attr("rel");
		$("#"+subMenu).slideDown("slow");
	});

	$('.sub-menu').bind("mouseleave",function() {
		$(this).slideUp("fast");
	});
	
	$('#btnCredits').click(function() {
		$('#credits').toggle();
		return false;
	});

	$(function() {
		$(".external").attr("target","_blank");
	});


});

//Validate contact form 
function validaEmail(checkStr){
	var nI, sS, nN, nP;
	// Arroba ...
	sS = "@"; nN = 0; nP = 0;
	for(nI = 0; nI < checkStr.length; nI++){
		if(checkStr.charAt(nI) == sS){
			nN++; nP = nI;
		}
	}
	if(nN == 0) return false;
	if(nN > 1)  return false;
	var nPArroba = nP;
	// Punto ...
	sS = "."; nN = 0; nP = 0;
	for(nI = 0; nI < checkStr.length; nI++){
		if(checkStr.charAt(nI) == sS){
			nN++; nP = nI;
		}
	}
	if(nN == 0) return false;
	var nPPunto = nP;
	// Posicion Arroba/Punto ...
	if(nPArroba > nPPunto) return false;
	//
	return true;
}


function isLegal(txt) {
	var invalids = "#$^&*~<>/\|"
		for(i=0; i<invalids.length; i++) {
			if(txt.indexOf(invalids.charAt(i)) >= 0 ) {
			return false;
			}
		 }
	return true;
}


function validateContactar(){
	var nom = document.getElementById("nom").value;
	var empresa = document.getElementById("empresa").value;
	var email = document.getElementById("email").value;
	var telf = document.getElementById("telf").value;
	var texte = document.getElementById("texte").value;

	if (nom == "" ) { 
		alert("Has d'indicar un nom");
			return false;
	}

	if (nom != "" ) { 
		if (isLegal(nom)==false) {
			alert("Caracters per nom no permessos: #$^&*~<>/\|");
			return false;}
	}

	if (empresa != "" ) { 
		if (isLegal(empresa)==false) {
			alert("Caracters per empresa no permessos: #$^&*~<>/\|");
			return false;}
	}

	if (email != "") { 
		if (isLegal(email)==false) {
			alert("Caracters per correu electronic no permessos: #$^&*~<>/\|");
			return false;}
	
		if (validaEmail(email)==false) {
			alert("Format de correu electronic no valid.");
			return false;}
	}

	if (telf != "" ) { 
		if (isLegal(telf)==false) {
			alert("Caracters pel telefon no permessos: #$^&*~<>/\|");
			return false;}
	}

	if (email == "" && telf == "")  { 
		alert("Has d'indicar un metode de contacte; correu electronic o telefon.")
		return false;}

	if (texte == "" ) { 
		alert("Has d'indicar un missatge");
			return false;
	}

	if (texte != "" ) { 
		if (isLegal(texte)==false) {
			alert("Caracters pel missatge no permessos: #$^&*~<>/\|");
			return false;}
	}

	return true; 	
}

//Browser detection
//http://www.quirksmode.org/js/detect.html
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();
//document.write('<p class="accent">You\'re using ' + BrowserDetect.browser + ' ' + BrowserDetect.version + ' on ' + BrowserDetect.OS + '!</p>');

	if (navigator.userAgent.indexOf('Safari') != -1){
		document.write('<link href=\"_css/safari.css\" rel=\"stylesheet\" type=\"text/css\">');
	}