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_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];}
}

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 expandBlock(blockId) {
	var block = document.getElementById(blockId);
	var status = block.style.display;
	if (status == "none" || status == "") {
		block.style.display = "block";
	} else {
		block.style.display = "none";
	}
}

function checkChampsObligatoires(formElement) {
	var formElements = formElement.elements;
	var missing=0;
	for (var i=0; i<formElements.length; i++) {
		if (formElements[i].attributes["oblig"].value == 1) {
			if (formElements[i].value == "") {
				missing++;
			}
		}
	}
	if (missing > 0) {
		return false;
	} else {
		return true;
	}
}

function checkEmail(email) {
  var proto  = "(mailto:)?";
  var usr    = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
  var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
  var regex  = "^" + proto + "?" + usr + "\@" + domain + "$";

  var rgx    = new RegExp(regex);
  return rgx.exec(email) ? true : false;
}

function validerFormContact(formElement) {
	if (checkChampsObligatoires(formElement)) {
		if (checkEmail(formElement.email.value)) {
			return true;
		} else {
			document.getElementById('alertChampsObligatoiresMsg').style.display = "none";
			document.getElementById('alertEmailNonValideMsg').style.display = "block";
			return false;
		}
	} else {
		document.getElementById('alertChampsObligatoiresMsg').style.display = "block";
		return false;
	}
}

function validerFormLogin(formElement) {
	if (checkChampsObligatoires(formElement)) {
		return true;
	} else {
		document.getElementById('alertChampsObligatoiresMsg').style.display = "block";
		return false;
	}
}

function validerFormCreateProfil(formElement) {
	if (checkChampsObligatoires(formElement)) {
		if (checkEmail(formElement.email.value)) {
			return true;
		} else {
			document.getElementById('alertChampsObligatoiresMsg').style.display = "none";
			document.getElementById('alertEmailNonValideMsg').style.display = "block";
			return false;
		}
	} else {
		document.getElementById('alertChampsObligatoiresMsg').style.display = "block";
		return false;
	}
}

function autoSlideWhenScroll() {
	slideMenu();
	slideContextBloc();
}

function slideMenu() {
	var xDest = xLeft("menu");
	var windowScrollTop = xScrollTop(null, true);
	var yDest = windowScrollTop-143;
	if (windowScrollTop > 143 || xTop("menu") > 143) {
		if (yDest < 0) yDest = 0;
		xSlideTo("menu", xDest, yDest, 250);
	}
}

function slideContextBloc() {
	var xDest = xLeft("contextBloc");
	//var debug = document.getElementById("debug");
	var windowScrollTop = xScrollTop(null, true);
	var yDest = windowScrollTop-150;
	if (windowScrollTop > 150 || xTop("contextBloc") > 150) {
		if (yDest < 0) yDest = 0;
		xSlideTo("contextBloc", xDest, yDest, 250);
	}
}