/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
if (bustcachevar) //if bust caching of external page
bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', url+bustcacheparameter, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}


function isChecked(id) {
	var name = document.getElementsByName("name")[id].value;
	var message = document.getElementsByName("message")[id].value;
	var email = document.getElementsByName("email")[id].value;
	var subject = document.getElementsByName("subject")[id].value;
	var str = "abcdefghijklmnopqrstuvwxyz0123456789-@._";
	var isChecked = true;
	for (var j=0;j<email.length;j++) {
		if (str.indexOf(email.charAt(j))==-1) {
		var oddChar = true;
		}
	}
	if (name=='') {
		alert('Ne feignez pas d\'être inconnu / Don\'t try to be anonymous');
		isChecked = false;
	} else if (email=='') {
		alert('Je voudrais pouvoir vous répondre quand même / I\'d like to be able to answer you');
		isChecked = false;
	} else if (oddChar == true) {
		alert(email + ' n\'est pas une adresse email valide / is not a valid email adress');
		isChecked = false;
	} else if (subject=='') {
		alert('A propos de quel sujet ? / About what ?');
		isChecked = false;
	} else if (message=='') {
		alert('Ne me laissez pas lire un mail vide / Please don\'t let me read an empty mail');
		isChecked = false;
	}
	return isChecked;
	// TO DO : Smart Email Verification
}

// Free Script at http://chunkysoup.net/ ( :
function hideLayer(whichLayer) {

	if (document.getElementById) {
	// this is the way the standards work
	document.getElementById(whichLayer).style.visibility = "hidden";
	}
	else if (document.all) {
	// this is the way old msie versions work
	document.all[whichlayer].style.visibility = "hidden";
	}
	else if (document.layers) {
	// this is the way nn4 works
	document.layers[whichLayer].visibility = "hidden";
	}
	
}
	
function showLayer(whichLayer) {

	if (document.getElementById) {
	// this is the way the standards work
	document.getElementById(whichLayer).style.visibility = "visible";
	}
	else if (document.all) {
	// this is the way old msie versions work
	document.all[whichlayer].style.visibility = "visible";
	}
	else if (document.layers) {
	// this is the way nn4 works
	document.layers[whichLayer].visibility = "visible";
	}
	
}

function rand (n) {
  return (Math.floor(Math.random()*n+1));
}

function changeBgColor(obj) {
	var red = rand(105)+150;
	var green = rand(255)+150;
	var blue = rand(255);
	var color = 'rgb('+red+','+green+','+blue+');';
	obj.style.backgroundColor = color;
}

function hideAllPages(pageNum) {
	for (i=1; i<=pageNum; i++){
		toHide = '#work_'+i;
		$(toHide).hide();
	}
}