function resize_ombre(){
	if (document.getElementById('str_mycityzen') == null) return;
	
	var haut = ((document.getElementById('str_mycityzen').offsetHeight) + (document.getElementById('str_box_principal').offsetHeight))
	document.getElementById('str_principal').style.height = haut + "px";
	
	var cont = ((document.getElementById('str_principal').offsetHeight) - (document.getElementById('ombre_left_1').offsetHeight));
	document.getElementById('ombre_left_2').style.height = cont + "px";
	document.getElementById('ombre_right_2').style.height = cont + "px";
}

function resizeMsk () {
	var haut = (document.getElementById('table_all').offsetHeight);
	document.getElementById('masque').style.height = haut + "px";
}