function popup(str_script, str_params) {
	// popup_width and popup_height are global
	var str_url = str_script + "?" + str_params;
	window.open(str_url,null,"height=500,width=600,status=yes,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=yes");
}

function popup_cust(str_script, str_params, int_width, int_height) {
	// popup_width and popup_height are not global (int_width, int_height)
	var str_url = str_script + "?" + str_params;
	window.open(str_url,null,"height="+int_height+",width="+int_width+",status=yes,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=yes");
}

// Enlever les espaces a gauche
function ltrim(s) {
   return s.replace(/^\s+/, "");
}

// Enlever les espaces a droite
function rtrim(s) {
   return s.replace(/\s+$/, "");
}

// Enlever les espaces a gauche et a droite
function trim(s) {
   return rtrim(ltrim(s));
}