var nav=document.all?'ie':(document.getElementById)?'ns6':'ns';
function DivMenu()
{
	this.Lvaleur = -1;
	this.Nvaleur = -1;
	this.setValeur = setValeur;
	this.setChange = setChange;
	this.unSelect = unSelect;
	this.rafraichi = rafraichi;
}
function setValeur(val)
{
	this.Lvaleur = this.Nvaleur;
	this.Nvaleur = val;
	this.Nvaleur==this.Lvaleur?false:this.setChange();
}
function setChange()
{
	switch(nav){
		case 'ie' : if(this.Lvaleur!=-1){Lcalque = document.all[this.Lvaleur].style;}Ncalque = document.all[this.Nvaleur].style;break;
		case 'ns6' : if(this.Lvaleur!=-1){Lcalque = document.getElementById(this.Lvaleur).style;}Ncalque = document.getElementById(this.Nvaleur).style;break;
		default : if(this.Lvaleur!=-1){Lcalque = document.layers[this.Lvaleur];}Ncalque = document.layers[this.Nvaleur];break;
	}
	if(this.Lvaleur!=-1){
		Lcalque.visibility = "hidden";
	}
	Ncalque.visibility = "visible";
}	
function selectedMenu(val)
{
	selection.setValeur(val);
}
function deselectedMenu()
{
	selection.unSelect();
}
function unSelect(){
	if(this.Nvaleur != -1){
		switch(nav){
			case 'ie' : Ncalque = document.all[this.Nvaleur].style;break;
			case 'ns6' : Ncalque = document.getElementById(this.Nvaleur).style;break;
			default : Ncalque = document.layers[this.Nvaleur];break;		
		}
		Ncalque.visibility = "hidden";
		this.Lvaleur = -1;
		this.Nvaleur = -1;
	}
}
function rafraichir(e){
	if(charge==1){
		switch(nav){
			case 'ie' : X = event.x;Y = event.y;break;
			case 'ns6' : X = e.clientX;Y = e.clientY;break;
			default : X = e.pageX;Y = e.pageY;break;
		}
		selection.rafraichi(X,Y);
	}
}
function rafraichi(mouseX,mouseY){
	switch(this.Nvaleur){
		case 'presentation' : if(mouseX<194 || mouseX>329 || mouseY<40 || mouseY>285){deselectedMenu();}break;
		case 'espaceclient' : if(mouseX<389 || mouseX>524 || mouseY<40 || mouseY>150){deselectedMenu();}break;
		case 'espacetransport' : if(mouseX<567 || mouseX>737 || mouseY<40 || mouseY>115){deselectedMenu();}break;
		default : break;
	}
}