// JavaScript Document

vitesse=20;
position=0;
function move(px)
{
	if (px == 0 || px == "") { ChangeOpa = "accueil"; }
	else if (px == 1) { ChangeOpa = "portfolio"; }
	else if (px == 2) { ChangeOpa = "contact"; }
	px = screen.width * px;
	if(window.navigator.userAgent.indexOf("Mac")>=0) ;else if(navigator.appName == 'Netscape')if(window.innerWidth>1000)px=px*0.993;else px=px*0.995;
	if (position>px)
	{
		while(position>px){
		window.scrollTo(position,0);
		position=position-vitesse;
		}
	}
	else
	{
		while(position<px){
		window.scrollTo(position,0);
		position=position+vitesse;
		}
		
	}
	window.scrollTo(px,0);
	change_opacity(ChangeOpa);

return ;
}


function steht () 
{
	var Agent = window.navigator.userAgent; 
	var AppName = window.navigator.appName;
	if ((AppName.indexOf("Explorer") >= 0) && (Agent.indexOf("Mozilla/3") >= 0) && (Agent.indexOf("Mac") >= 0))
		return true; 
	else return false; 
}

function LargEcran(deplac) {
	var MiEcran = screen.width / 2;
	var LargeurEcran = screen.width;
	if(window.navigator.userAgent.indexOf("Mac")>=0) ;else if(navigator.appName == 'Netscape')if(window.innerWidth>1000)LargeurEcran=LargeurEcran*0.993;else LargeurEcran=LargeurEcran*0.995;
	document.getElementById("corps").style.width = ((LargeurEcran * 3) + 20) + "px";
	document.getElementById("accueil").style.left = "0px";
	document.getElementById("portfolio").style.left = (LargeurEcran * 1) + "px";
	document.getElementById("contact").style.left = (LargeurEcran * 2) + "px";
	document.getElementById("ss_accueil").style.left = "0px";
	document.getElementById("ss_portfolio").style.left = (LargeurEcran * 1) + "px";
	document.getElementById("ss_contact").style.left = (LargeurEcran * 2) + "px";
	if (!deplac) { deplac = 0; }
	move(deplac);
}

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_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 survol(Div) {
	//document.getElementById(Div).style.color = "#999900";
	document.getElementById(Div).style.backgroundColor = "#666666";
	//document.getElementById(Div).style.borderColor = "#999900";
}

function survol_off(Div) {
	//document.getElementById(Div).style.color = "";
	document.getElementById(Div).style.backgroundColor = "";
	//document.getElementById(Div).style.borderColor = "";
}

function BtnSur (Id) {
	document.getElementById(Id).style.backgroundColor = "#CCCC33";
	document.getElementById(Id).style.color = "#663366";
	document.getElementById(Id).style.borderColor = "#663366";
}

function BtnOff (Id) {
	document.getElementById(Id).style.backgroundColor = "";
	document.getElementById(Id).style.color = "";
	document.getElementById(Id).style.borderColor = "";
}

function aff_div_sf(Div) {
	var sf_aff;
	var tab_sf = Array("sf_conseil", "sf_creation", "sf_edition", "sf_multimedia");
	for (i = 0; i < tab_sf.length; i++) {
		if (tab_sf[i] == Div) { sf_aff = "inline"; } else { sf_aff = "none"; }
		var aff_div = tab_sf[i];
		document.getElementById(aff_div).style.display = sf_aff;
	}
}
//-->

function validForm()
	{
	if (document.forms['form_contact'].elements['email'].value == "")
		{
		alert ("Vous n'avez pas indiqué votre email.");
		document.forms['form_contact'].elements['email'].focus();
		return false;
		}
	adresse = document.forms['form_contact'].elements['email'].value;
	var place = adresse.indexOf("@",1);
	var point = adresse.indexOf(".",place+1);
	if ((place > -1)&&(adresse.length >2)&&(point > 1))
		{
		if (document.forms['form_contact'].elements['sujet'].value == "")
			{
			alert ("Vous n'avez pas mis de sujet à votre message.");
			document.forms['form_contact'].elements['sujet'].focus();
			return false;
			}
		if (document.forms['form_contact'].elements['messag'].value == "")
			{
			alert ("Vous n'avez pas écrit votre message.");
			document.forms['form_contact'].elements['messag'].focus();
			return false;
			}
		}
		else
		{
		alert("Veuiller entrer une adresse e-mail valide.");
		document.forms['form_contact'].elements['email'].focus();
		return false;
		}

	}