var Timer;
var Pas = 3;
function moveLayer(Sens,contenu,support) {
	Objet=document.getElementById(contenu);
    if(parseInt(Objet.style.top) + (Pas*Sens)>0)  {
		clearTimeout(Timer);
	}
	else if(parseInt(Objet.style.top) + (Pas*Sens)<-(Objet.offsetHeight-document.getElementById(support).offsetHeight)) {
		clearTimeout(Timer);
	}
    else {
        Objet.style.top = (parseInt(Objet.style.top) + (Pas*Sens)) + "px";
	}
	Timer = setTimeout("moveLayer(" + Sens + ",'" + contenu + "','" + support + "');", 30);
}
function initAd(lien,cv){
	 adDiv=eval('document.getElementById("'+cv+'").style');
	 var obj = document.getElementById(lien);
		adDiv.visibility="visible";
		adDiv.display="block";
		var curleft = curtop = 0;
		if (obj.offsetParent) {
				curleft = obj.offsetLeft
				curtop = obj.offsetTop
				while (obj = obj.offsetParent) {
	 				curleft += obj.offsetLeft
		 			curtop += obj.offsetTop
				}
		}
		adDiv.position = "absolute";
		adDiv.left=(curleft-200)+"px";
		adDiv.top =(curtop-120)+"px";
		
}
function initAdspecify(lien,cv,left,top){
	 adDiv=eval('document.getElementById("'+cv+'").style');
	 var obj = document.getElementById(lien);
		adDiv.visibility="visible";
		adDiv.display="block";
		var curleft = left;
		var curtop = top;
		adDiv.position = "absolute";
		adDiv.left=(curleft)+"px";
		adDiv.top =(curtop)+"px";
		
}
function closeAd(cv){
	 adDiv=eval('document.getElementById("'+cv+'").style');
		adDiv.display="none";
		adDiv.visibility ="hidden";
}
function open_t(cat){
	 adDiv=eval('document.getElementById("'+cat+'").style');
		adDiv.display="block";
		adDiv.visibility ="visible";
}
function verification(){
	var fieldList = new Array('name','sct','phone','email','object','comment');
 var fieldListLabel = new Array('Nom','Société','Tél','Email','Objet','Message');	
	 for (i=0;i<fieldList.length;i++)

 {
    if (document.getElementById(fieldList[i]).value == '')
    {
        alert("le champ "+fieldListLabel[i]+ " doit être renseigné");
								return false;
    }
	}
				 	if (document.getElementById("email").value.indexOf("@") == '-1' || document.getElementById("email").value.indexOf(".") == '-1')
						{
							alert ("adresse email non valide");
							return false;
						}
					return true;
}