/*** functions generales ***/

    function displayDiv(division,modeDisplay) {
        if(document.getElementById(division)!=null) {
            document.getElementById(division).style.display = modeDisplay;
        }
    }
    
    function displayDivByName(division,modeDisplay) {

        
        var a   = document.getElementsByTagName('div');
    	var len = a.length;
    	var out = new Array();
    	
    	for (var i = 0; i < len; i++)
    	{
    		if (a[i].getAttribute('name')==division)
            var idDiv = a[i].getAttribute('id');
            if(document.getElementById(idDiv)!=null) {
                document.getElementById(idDiv).style.display = modeDisplay;
            }
    	}



    }

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