bName = navigator.appName;
bVer = navigator.appVersion;
    if (((bName == "Netscape" && bVer > "3.0") && (bName == "Netscape" && bVer  < "4.01"))
      || 
      ((bName == "Netscape" && bVer >= "4.03"))
      ||
      (bName == "Microsoft Internet Explorer" && bVer >= "4.0")) 
    browser = "True"; 
    else browser = "False";

function computePages(my_form) {
	var cout_page = 80;
	if (browser == "True") {
		my_form.pages_cout.value = my_form.pages.value * cout_page;
		computeTotal(my_form);
	}
}

function computeCharte(my_form) {
	my_form.charte_cout.value = my_form.SelectedCharte[my_form.SelectedCharte.selectedIndex].value;
	computeTotal(my_form);
}

function computeRef(my_form) {
	my_form.ref_cout.value = my_form.SelectedRef[my_form.SelectedRef.selectedIndex].value;
	computeTotal(my_form);
}

function computeDom(my_form) 
{
	if (browser == "True") {
		var i = my_form.SelectedDom.selectedIndex;
		my_form.dom_cout.value = my_form.SelectedDom[my_form.SelectedDom.selectedIndex].value;
		if (my_form.SelectedDom.selectedIndex == 0) 
				{
				my_form.dom_cout2.value = 0;
				}
		if (my_form.SelectedDom.selectedIndex == 1) 
				{
				my_form.dom_cout2.value = 46;
				}
		if (my_form.SelectedDom.selectedIndex == 2) 
				{
				my_form.dom_cout2.value = 46;
				}
		computeTotal(my_form);
	}
}

function computeTotal(my_form) 
{
	if (browser == "True") {
	var Total = 0;
	// Hébergement des pages HTML
	if (my_form.pages.value > 0) {
		// Il y a un site
		my_form.heberg_cout_mois.value = my_form.pages.value * 3; 
		if (my_form.heberg_cout_mois.value > 76) my_form.heberg_cout_mois.value = 76;
		my_form.heberg_cout1.value = my_form.heberg_cout_mois.value * 12;
		my_form.heberg_cout2.value = my_form.heberg_cout_mois.value * 12;
	} else {
		// Il n'y a pas de site
		//alert("pas de site!");
		//my_form.charte_cout.value) = 0;
		my_form.heberg_cout_mois.value = 0; 
		my_form.heberg_cout1.value = 0;
		my_form.heberg_cout2.value = 0;
	}
	// Hébergement d'un nom de domaine + mail
	if (my_form.SelectedDom.selectedIndex > 0) {
		my_form.dom_cout_mois.value = 15;
	} else {
		my_form.dom_cout_mois.value = 0;
	}
	my_form.heberg_dom_cout1.value = my_form.dom_cout_mois.value * 12;
	my_form.heberg_dom_cout2.value = my_form.dom_cout_mois.value * 12;

	Total += Number(my_form.charte_cout.value);
	Total += Number(my_form.heberg_cout1.value);
	Total += Number(my_form.heberg_dom_cout1.value);
	Total += Number(my_form.pages_cout.value);
	Total += Number(my_form.ref_cout.value);
	Total += Number(my_form.dom_cout.value);

	my_form.total_cout.value = Total;

	Total = 0;
	Total += Number(my_form.heberg_cout2.value);
	Total += Number(my_form.heberg_dom_cout1.value);
	Total += Number(my_form.dom_cout2.value);
	my_form.total_cout2.value = Total;

	}
}


function clearForm(my_form) {
    if (browser == "True") {
my_form.pages_cout.value = "";
my_form.SelectedRef[0].selected = "1";
my_form.SelectedDom[0].selected = "1";
}}