bouton_precedent = new Image(); bouton_precedent.src = repertoire+"images/precedent.gif";
bouton_precedent_h = new Image(); bouton_precedent_h.src = repertoire+"images/precedent_over.gif";
bouton_suivant = new Image(); bouton_suivant.src = repertoire+"images/suivant.gif";
bouton_suivant_h = new Image(); bouton_suivant_h.src = repertoire+"images/suivant_over.gif";

img_prog_cycle_cur = new Array();
img_prog_cycle = new Array();
for(cycle=1; cycle<=3; cycle++)
{
	img_prog_cycle[cycle] = new Array();

	for(j=0; j<prog_cycle[cycle].length; j++)
	{
		img_prog_cycle[cycle][j] = new Image(); 
		img_prog_cycle[cycle][j].src = repertoire+"fichiers/site_programme/systeme/accueil/"+prog_cycle[cycle][j]+".jpg";
	}
	
	img_prog_cycle_cur[cycle] = Math.floor(Math.random() * img_prog_cycle[cycle].length);
}


function js_ctrl_prog(cycle, over)
{
	objCtrl = document.getElementById("ctrl-prog-cycle"+cycle);

	if(objCtrl)
	{
		/*if(over)
			objCtrl.style.display = "block";
		else
			objCtrl.style.display = "none";*/
		if(over)
		{
			objCtrl.style.filter = "alpha(opacity=90)";
			objCtrl.style.opacity = ".9";
			
		}
		else
		{
			objCtrl.style.filter = "alpha(opacity=50)";
			objCtrl.style.opacity = ".5";
		}
	}
}

function js_hover_programme(cycle, fleche, over)
{
	objBouton = document.getElementById("ctrl-prog-cycle"+cycle+"-"+fleche);

	if(objBouton)
	{
		if(over)
		{
			if(fleche=='prev')
				objBouton.src = bouton_precedent_h.src;
			else
				objBouton.src = bouton_suivant_h.src;
		}
		else
		{
			if(fleche=='prev')
				objBouton.src = bouton_precedent.src;
			else
				objBouton.src = bouton_suivant.src;
		}
	}
}

function js_prog_precedent(cycle)
{
	img_prog_cycle_cur[cycle]--;
	if(img_prog_cycle_cur[cycle]<0)
		img_prog_cycle_cur[cycle] = img_prog_cycle[cycle].length - 1;
	
	js_update_image_prog(cycle);
}

function js_prog_suivant(cycle)
{
	img_prog_cycle_cur[cycle]++;
	if(img_prog_cycle_cur[cycle]>=img_prog_cycle[cycle].length)
		img_prog_cycle_cur[cycle] = 0;

	js_update_image_prog(cycle);
}

function js_update_image_prog(cycle)
{
	objImage = document.getElementById("prog-cycle"+cycle+"-img");

	if(objImage)
	{
		objImage.src = img_prog_cycle[cycle][img_prog_cycle_cur[cycle]].src;
		document.getElementById("href_prog_cycle"+cycle).href = repertoire+"prog/"+prog_cycle[cycle][img_prog_cycle_cur[cycle]]+"/";
	}
}