var initPage = function(){
	var slide1 = new slideShow('slideshow','cont_slideshow','item',{
		slideNav:'nav_slideshow',
		slideControl:false,
		slideControl2:false,
		slideIndice:false,
		slideAutostart:true,
		slideDuree:2,
		slideTempo:14
	});
};

function VignettePrec() {
	var Nummin = document.getElementById("min").value;	
	var Nummax = document.getElementById("max").value;	
	var Currentmin = document.getElementById("Currentmin").value;	
	var Currentmax = document.getElementById("Currentmax").value;

	if( (Currentmin*1) > (Nummin*1) )
	{
		document.getElementById("nav_slideshow_"+(Currentmin*1-1)).style.display = "none"; 
		if((Nummax*1)>=(Currentmax*1-1))
			document.getElementById("nav_slideshow_"+(Currentmax*1-2)).style.display = "none"; 
		if((Nummax*1)>=(Currentmax*1))
			document.getElementById("nav_slideshow_"+(Currentmax*1-1)).style.display = "none"; 
		
		document.getElementById("nav_slideshow_"+(Currentmin*1-2)).style.display = "block"; 
		document.getElementById("nav_slideshow_"+(Currentmin*1-3)).style.display = "block";
		document.getElementById("nav_slideshow_"+(Currentmin*1-4)).style.display = "block";
		
		document.getElementById("Currentmax").value = (Currentmin*1)-1;
		document.getElementById("Currentmin").value = (Currentmin*1)-3;
	}
}

function VignetteSuiv() {
	var Nummin = document.getElementById("min").value;	
	var Nummax = document.getElementById("max").value;	
	var Currentmin = document.getElementById("Currentmin").value;	
	var Currentmax = document.getElementById("Currentmax").value;		
	
	if( (Currentmax*1) < (Nummax*1) ) 
	{
		document.getElementById("nav_slideshow_"+(Currentmin*1-1)).style.display = "none"; 
		document.getElementById("nav_slideshow_"+(Currentmax*1-2)).style.display = "none"; 
		document.getElementById("nav_slideshow_"+(Currentmax*1-1)).style.display = "none"; 
		
		document.getElementById("nav_slideshow_"+(Currentmax)).style.display = "block"; 
		if((Nummax*1)>=(Currentmax*1+2))
			document.getElementById("nav_slideshow_"+(Currentmax*1+1)).style.display = "block";
		if((Nummax*1)>=(Currentmax*1+3))
			document.getElementById("nav_slideshow_"+(Currentmax*1+2)).style.display = "block";
		
		document.getElementById("Currentmax").value = (Currentmax*1)+3;
		document.getElementById("Currentmin").value = (Currentmax*1)+1;
	}
}