if (navigator.appName=='Netscape')
    display_property = 'table-row';
else
    display_property = 'block';

function affiche_hide_TR(div, visible)
{ 
    if (visible == 0)
	{
		document.getElementById(div).style.display = "none";
	}
	else
	{
		document.getElementById(div).style.display = display_property;
	}
}  

function checknumber(f,n){
    var x=f[n].value;
    x = checknumber_transform(x);
    f[n].value = x;
    var anum=/(^$)|(^(-?)\d+$)|(^(-?)\d+\.\d+$)/
    if (anum.test(x))
        testresult=true;
    else{
        alert("<? echo $str_must_number; ?> : "+x);
        //f[n].value = '';
        testresult = false;
    }
    return (testresult);
}

function change_categ()
{
    $("#mainsidebar2").toggle();
    $("#mainsidebar").toggle();
}
function imgchg(obj)
{
    if ($('#' + obj).attr("src") == 'design/menu-gauche/fleche-genre-gauche.png')
        $('#' + obj).attr("src", 'design/menu-gauche/fleche-genre.png');
    else
        $('#' + obj).attr("src", 'design/menu-gauche/fleche-genre-gauche.png');
}

function PopupCentrer(page,largeur,hauteur,options) {
  var top=(screen.height-hauteur)/2;
  var left=(screen.width-largeur)/2;
  window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+",resizable=1,"+options);
}