function affiche_smenuPrestations()
{
	if (document.all)
	{
		if (document.all.smenuPrestations.style.visibility == "hidden")
		{
			document.all.smenuPrestations.style.posLeft = document.body.scrollLeft + 297;
			document.all.smenuPrestations.style.posTop = document.body.scrollTop + 40;
			document.all.smenuPrestations.style.visibility = "visible";
			document.all.smenuReferences.style.visibility = "hidden";
			return;
		}
		document.all.smenuPrestations.style.visibility = "hidden";
		return;
	}
	if (document.layers)
	{
		if (document.layers.smenuPrestationsLayer.visibility == "hide")
		{
			document.layers.smenuPrestations.left = document.body.scrollLeft + 297;
			document.layers.smenuPrestations.top = document.body.scrollTop + 40;
			document.layers.smenuPrestations.visibility = "show";
			document.layers.smenuReferences.visibility = "hide";
			return;
		}
		document.layers["smenuPrestations"].visibility = "hide";
	}
	else if (document.getElementById)
	{
		if (document.getElementById("smenuPrestations").style.visibility == "hidden")
		{
			document.getElementById("smenuPrestations").style.left = document.body.scrollLeft + 487;
			document.getElementById("smenuPrestations").style.top = document.body.scrollTop + 40;
			document.getElementById("smenuPrestations").style.visibility = "visible";
			document.getElementById("smenuReferences").style.visibility = "hidden";
			return;
		}
		document.getElementById("smenuPrestations").style.visibility = "hidden";
	}
}

function affiche_smenuReferences()
{
	if (document.all)
	{
		if (document.all.smenuReferences.style.visibility == "hidden")
		{
			document.all.smenuReferences.style.posLeft = document.body.scrollLeft + 487;
			document.all.smenuReferences.style.posTop = document.body.scrollTop + 40;
			document.all.smenuReferences.style.visibility = "visible";
			document.all.smenuPrestations.style.visibility = "hidden";
			return;
		}
		document.all.smenuReferences.style.visibility = "hidden";
		return;
	}
	if (document.layers)
	{
		if (document.layers.smenuReferencesLayer.visibility == "hide")
		{
			document.layers.smenuReferencesLayer.left = document.body.scrollLeft + 487;
			document.layers.smenuReferencesLayer.top = document.body.scrollTop + 40;
			document.layers.smenuReferencesLayer.visibility = "show";
			document.layers.smenuPrestationsLayer.visibility = "hide";
			return;
		}
		document.layers.smenuReferencesLayer.visibility = "hide";
	}
	else if (document.getElementById)
	{
		if (document.getElementById("smenuReferences").style.visibility == "hidden")
		{
			document.getElementById("smenuReferences").style.left = document.body.scrollLeft + 487;
			document.getElementById("smenuReferences").style.top = document.body.scrollTop + 40;
			document.getElementById("smenuReferences").style.visibility = "visible";
			document.getElementById("smenuPrestations").style.visibility = "hidden";
			return;
		}
		document.getElementById("smenuReferences").style.visibility = "hidden";
	}
}

function checkForm()
{
	if (document.formulaire.nom.value == "")
	{
		alert("Veuillez indiquer votre nom");
		document.formulaire.valide.value = "0";
		return;
	}
	if (document.formulaire.prenom.value == "")
	{
		alert("Veuillez indiquer votre prénom");
		document.formulaire.valide.value = "0";
		return;
	}
	if (document.formulaire.ville.value == "")
	{
		alert("Veuillez indiquer votre ville");
		document.formulaire.valide.value = "0";
		return;
	}
	if (document.formulaire.telephone.value == "")
	{
		alert("Veuillez indiquer votre numéro de téléphone");
		document.formulaire.valide.value = "0";
		return;
	}
	if (document.formulaire.message.value == "")
	{
		alert("Veuillez entrer votre message");
		document.formulaire.valide.value = "0";
		return;
	}
	document.formulaire.submit();;
}

function check_resolution()
{
	var haut = screen.height;
	document.all.contenu.height = (haut * 500) / 768;
}

function test_resolution()
{
	if (window.screen)
	{
		var w = screen.width;
		if(w <= 1024)
		{
			document.write("<style>.tableau{width: 100%;}</style>");
		}
		else
		{
			document.write("<style>.tableau{width: 1024px;}</style>");
		}
	}
}

function check_langue()
{
	var url = document.contenu.location.toString();
	var lang = url.indexOf("fr",0);
	langue = "fr";
	if (lang == -1)
	{
		lang = url.indexOf("uk",0);
		langue = "uk";
	}
	var url1 = url.substr(0,lang);
	var url2 = url.substr(lang+2);
	if (langue == "fr") // Passage à l'Anglais
	{
		document.contenu.location = url1 + "uk" + url2;
		document.img_langue.src = "images/fr.gif";
		document.img_langue.alt = "Version Française";
	}
	else	// Passage au Français
	{
		document.contenu.location = url1 + "fr" + url2;
		document.img_langue.src = "images/uk.gif";
		document.img_langue.alt = "English Version";
	}
}

function check_heure()
{
  var exp1 = new RegExp("[:]+","g");
  var tabHeureDeb = document.formulaire.heureDeb.value.split(exp1);
  var tabHeureFin = document.formulaire.heureFin.value.split(exp1);
  if (tabHeureDeb.length == 1)
  {
  	tabHeureDeb[1] = "00";
  }
  if (tabHeureFin.length == 1)
  {
  	tabHeureFin[1] = "00";
  }
  var debut = parseInt(tabHeureDeb[0] + tabHeureDeb[1]);
  var fin = parseInt(tabHeureFin[0] + tabHeureFin[1]);
  return (fin < debut);
}

function check_date(dateDeb,dateFin)
{
  var expDate = new RegExp("[/]+","g");
  var dateSaisieDeb = new Date();
  if (dateDeb != 0)
  {
	var tabDateDeb = [dateDeb.substr(0,2),dateDeb.substr(3,2),dateDeb.substr(6,4)];
	dateSaisieDeb.setDate(tabDateDeb[0]);
	dateSaisieDeb.setMonth(tabDateDeb[1]-1);
	dateSaisieDeb.setFullYear(tabDateDeb[2]);
  }
  var tabDateFin = dateFin.split(expDate);
  var dateSaisieFin = new Date();
  dateSaisieFin.setDate(tabDateFin[0]);
  dateSaisieFin.setMonth(tabDateFin[1]-1);
  dateSaisieFin.setFullYear(tabDateFin[2]);
  return (dateSaisieFin < dateSaisieDeb);
}