function verifForm(formulaire)
{

	var head1 = formulaire.coordx.value;
	var head2 = formulaire.coordy.value;
	var head3 = formulaire.coordz.value;

	var oui = '<input type=image src=Icones/v-espionner.jpg>';
	var non = '<img src=Icones/u-espionner.jpg>';

	if(head1!=''){
		
	if(head2!=''){

	if(head3!=''){

	if(!isNaN(head1)){

	if(!isNaN(head2)){

	if(!isNaN(head3)){

	//document.getElementById('header3').innerHTML = oui;
	document.getElementById('head3oui').style.visibility = 'visible'
	//document.getElementById('head3non').style.visibility = 'hidden'

	}else{
	//document.getElementById('header3').innerHTML = non;
	document.getElementById('head3oui').style.visibility = 'hidden'
	//document.getElementById('head3non').style.visibility = 'visible'
	}

	}else{
	//document.getElementById('header3').innerHTML = non;
	document.getElementById('head3oui').style.visibility = 'hidden'
	//document.getElementById('head3non').style.visibility = 'visible'
	}				

	}else{
	//document.getElementById('header3').innerHTML = non;
	document.getElementById('head3oui').style.visibility = 'hidden'
	//document.getElementById('head3non').style.visibility = 'visible'
	}

	}else{
	//document.getElementById('header3').innerHTML = non;
	document.getElementById('head3oui').style.visibility = 'hidden'
	//document.getElementById('head3non').style.visibility = 'visible'
	}		

	}else{
	//document.getElementById('header3').innerHTML = non;
	document.getElementById('head3oui').style.visibility = 'hidden'
	//document.getElementById('head3non').style.visibility = 'visible'
	}

	}else{
	//document.getElementById('header3').innerHTML = non;
	document.getElementById('head3oui').style.visibility = 'hidden'
	//document.getElementById('head3non').style.visibility = 'visible'
	}

}





image_larg = 100;
image_haut = 85;

// **** Ne pas modifier

table_haut = image_haut + 2;
table_larg = image_larg + 2;

function gratteux()
	{
	for(i = 0; i < (image_haut/5); i++)
		{
		for(j = 0; j < (image_larg/5); j++)
			{
			document.write("<table bgcolor='#FFCC00' cellpadding='0' style='position:absolute;top:"+(i*5)+";left:"+(j*5)+";width:5;height:5;cursor:hand;' onmouseover='this.style.visibility=\"hidden\";' onmouseout='this.style.visibility=\"hidden\";'><tr><td> </td></tr></table>")
			}
		}
	}


function update_qte(id, val) {
	quantite = form.coordx.value;
	quantite = 	parseInt(quantite) + parseInt(val);
	if (quantite < 1) { quantite = 1; }
	if (quantite > 4) { quantite = 4; }
	form.coordx.value = quantite;
}

function formHandler(form){
var URL = document.form.site.options[document.form.site.selectedIndex].value;
window.location.href = URL;
}

function update_y(id, val) {
	quantite = form.coordy.value;
	quantite = 	parseInt(quantite) + parseInt(val);
	if (quantite < 1) { quantite = 1; }
	if (quantite > 999) { quantite = 999; }
	form.coordy.value = quantite;
}

function formHandler(form){
var URL = document.form.site.options[document.form.site.selectedIndex].value;
window.location.href = URL;
}


<!--
// permet de dŽterminer le navigateur en fonction de nos besoins
var dom = net = iex = false;
if (document.getElementById) dom = true; // IE5+ ou Netscape6+/Mozilla
if (document.layers) net = true; // Netscape4 
if (document.all) iex = true; // IE4+

if (iex) {
var larg_utile = "document.body.offsetWidth";
var haut_utile = "document.body.offsetHeight";
}
else if (dom || net) {
var larg_utile = "window.innerWidth";
var haut_utile = "window.innerHeight";
}
else {}
var nb_couleurs = screen.colorDepth;
var larg_ecran = screen.width;
var haut_ecran = screen.height;
// -->





function AddText(startTag,defaultText,endTag) { 
if (document.formu.description.createTextRange) { 
var text; 
document.formu.description.focus(document.formu.description.caretPos); 
document.formu.description.caretPos = document.selection.createRange().duplicate(); 
if(document.formu.description.caretPos.text.length>0) { 
document.formu.description.caretPos.text = startTag + document.formu.description.caretPos.text + endTag; 
} else { 
document.formu.description.caretPos.text = startTag+defaultText+endTag; 
} 
} else { 
champ = document.formu.description; 
val = champ.value; 
valDeb = val.substring(0, champ.selectionStart); 
valFin = val.substring(champ.selectionEnd, champ.textLength); 
valSel = val.substring(champ.selectionStart, champ.selectionEnd); 
if (valSel == "") { 
document.formu.description.value += startTag+defaultText+endTag; 
} else { 
document.formu.description.value = valDeb + startTag + valSel + endTag + valFin; 
} 
} 
}