var flag = false;
	var scro = 2;
	function move_up(){
		if(flag==false){
			o = document.getElementById('glissante');
			flag = true;
			z = scro;
			move(o, z);
		}
		return false;
	}
	function move_down(){
		if(flag==false){
			o = document.getElementById('glissante');
			flag = true;
			z = 0-scro
			move(o, z);
		}
		return false;
	}
	function move(o,y){
		z = y + parseInt(o.style.top);
		o.style.top = eval("'"+z+"px'");
		x = y
		if(flag == true && parseInt(o.style.top)<=0 && parseInt(o.style.top)>-1000) setTimeout("move(o, x)", 50);
		else flag = false;
	}
	function page_down(){
			o = document.getElementById('glissante');
		z = parseInt(o.style.top)- 250;
		o.style.top = eval("'"+z+"px'");
		x = y
		if(flag == true && parseInt(o.style.top)<=0 && parseInt(o.style.top)>-1000) setTimeout("move(o, x)", 50);
		else flag = false;
	}
	function page_up(){
			o = document.getElementById('glissante');
		z = 250 + parseInt(o.style.top);
		o.style.top = eval("'"+z+"px'");
		x = y
		if(flag == true && parseInt(o.style.top)<=0 && parseInt(o.style.top)>-1000) setTimeout("move(o, x)", 50);
		else flag = false;
	}
	function img_zoom(img){
			var tp;
			g = document.getElementById('glissante');
			c = document.getElementById('cache_img');
			document.getElementById('img_tmp').src = img;
			g.style.top = eval("'0px'");
			tp = g.innerHTML;
			g.innerHTML = c.innerHTML;
			c.innerHTML = tp;
	}
	function restaure_glissante(){
			var tp;
			g = document.getElementById('glissante');
			c = document.getElementById('cache_img');
			g.style.top = eval("'0px'");
			tp = c.innerHTML;
			c.innerHTML = g.innerHTML;
			g.innerHTML = tp;
	
	}
	
	

/* flowScroll
********************/
function flowScroll(goLeft){
	var offset = (goLeft)?-5:5;
	var flowCut = document.getElementById("galerieshowroom");
	flowCut.scrollLeft += offset;
}
function initFlowScroll(){
	var flow = document.getElementById("galeriedef");
	if(!flow) return;
	document.getElementById("flechegauche").onmouseover = function(){ scrollDirection = setInterval("flowScroll(true)", 5); };
	document.getElementById("flechedroite").onmouseover = function(){ scrollDirection = setInterval("flowScroll(false)", 5); };
	document.getElementById("flechegauche").onmouseout = function(){ clearInterval(scrollDirection); };
	document.getElementById("flechedroite").onmouseout = function(){ clearInterval(scrollDirection); };
	var items = flow.getElementsByTagName("a");
	flow.style.width = items.length*180 - 20 + "px";
}

/* init
********************/
window.onload = function(){
	initFlowScroll();
};