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) { //v4.0
  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 && document.getElementById) x=document.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];}
}

// Calculateur
function CalculProduit()
{
  var nSup = document.FCalcul.ISuperficie.value;
  var nFibre38 = Math.round(nSup/9);
  var nResine = Math.round(nFibre38/3)
  
  document.FCalcul.IFibre38.value = nFibre38;
  document.FCalcul.IFibre50.value = Math.round(nSup/12,5);
  document.FCalcul.IResine.value = nResine;
  document.FCalcul.ITeinture.value = nResine;
  
  document.FCalcul.IResine2.value = Math.round((nResine/3)*2);
  document.FCalcul.IGelcoat.value = Math.round(nSup/100);
}

// Convertisseur
function Convertisseur()
{
	var tempvalue = 0;
	var form = document.FCalcul;
	var fromval = form.fromvalue.value;
	var fromunit = form.fromunit.selectedIndex;
	var tounit = form.tounit.selectedIndex;
	
	if (fromval != null && fromval.length != 0) {
	
	 tempvalue = fromval / arrConvertValue[tounit];
	}
	/*
	if (tempvalue == 0) {
	 form.fromvalue.value="";
	 form.tovalue.value="";
	 return false;
	}
	*/
	form.tovalue.value = (tempvalue * arrConvertValue[fromunit]);
	return true;
}


// Accepter seulement les chiffres
function integerOnly(strCar)
{
	if((window.event.keyCode < 48) || (window.event.keyCode > 57))
		event.returnValue = false;
}

function ChangeImage(strImageOoh)
{
	if(typeof(ImageProduit) != "undefined")
	{
		var oImageProduit = document.getElementById("ImageProduit");
	
		if(strImageOoh == "0")
			// Image par défaut
			strImageOoh = "images/cercleprod.jpg";
		else if(strImageOoh != "")
			// Image du produit
			strImageOoh = "/upload/produits/" + strImageOoh;
		else
			// Pas d'image
			strImageOoh = "images/cercleprod_vide.jpg"
			
		// Afficher l'image
		oImageProduit.src = strImageOoh;
	}
}