/*  function montre(id) {
	  if (document.getElementById) {
		  document.getElementById(id).style.display="";
		} else if (document.all) {
		  document.all[id].style.display="";
		} else if (document.layers) {
		  document.layers[id].display="";
		} } 
		
    function cache(id) {
	  if (document.getElementById) {
		  document.getElementById(id).style.display="none";
		} else if (document.all) {
		  document.all[id].style.display="none";
		} else if (document.layers) {
		  document.layers[id].display="none";
		} }
*/		
		
function setCookie(valeur)
{
        document.cookie = "boutons=1#" + valeur;
}


var head="display:''"
function bt(header,cellID)
{
        var head=header.style
        if (head.display=="none")
        {
                head.display="";
                setCookie(cellID);
        }
        else
        {
                head.display="none";
                setCookie("");
        }
        FlecheBas("triangle_"+cellID)
}


function FlecheBas(name_image)
{
        name_img = eval('document.'+name_image+'.src');
        if(name_img.indexOf('normal') > 0)
        {
                eval("document."+name_image+".src = '_images/_pict/triangle-bas.gif'");
        }
        else
        {
                eval("document."+name_image+".src = '_images/_pict/triangle-normal.gif'");
                }
}