function isset(  ) { 
    var a=arguments; var l=a.length; var i=0;   
    if (l==0) { 
        throw new Error('Empty isset'); 
    }  
    while (i!=l) {
        if (typeof(a[i])=='undefined' || a[i]===null) { 
            return false; 
        } else { 
            i++; 
        }
    }
    return true;
}

var ia = new Array();
/* menu */
ia[0] = "/afb/menu_r1_c3_f2.gif";
ia[1] = "/afb/menu_r1_c2_f2.gif";
ia[2] = "/afb/menu_r1_c4_f2.gif";
ia[3] = "/afb/menu_r1_c5_f2.gif";
ia[4] = "/afb/menu_r1_c6_f2.gif";
ia[16] = "/afb/menu_r1_c3.gif";
ia[17] = "/afb/menu_r1_c2.gif";
ia[18] = "/afb/menu_r1_c4.gif";
ia[19] = "/afb/menu_r1_c5.gif";
ia[20] = "/afb/menu_r1_c6.gif";
/* submenu */
ia[5] = "/afb/sub_nieuws_over.gif";
ia[6] = "/afb/sub_nieuwsbrief_over.gif";
ia[7] = "/afb/sub_belangrijke_data_over.gif";
ia[8] = "/afb/sub_recens2ie_over.gif";
ia[9] = "/afb/sub_filosofie_over.gif";
ia[10] = "/afb/sub_netwerk_crisisbeheersing_over.gif";
ia[11] = "/afb/sub_pijlers_over.gif";
ia[12] = "/afb/sub_programmabureau_over.gif";
ia[13] = "/afb/sub_veiligheidsregios_over.gif";
ia[14] = "/afb/sub_projecten_over.gif";
ia[15] = "/afb/sub_programma_cens2_over.gif";
ia[21] = "/afb/sub_nieuws.gif";
ia[22] = "/afb/sub_nieuwsbrief.gif";
ia[23] = "/afb/sub_belangrijke_data.gif";
ia[24] = "/afb/sub_recens2ie.gif";
ia[25] = "/afb/sub_filosofie.gif";
ia[26] = "/afb/sub_netwerk_crisisbeheersing.gif";
ia[27] = "/afb/sub_pijlers.gif";
ia[28] = "/afb/sub_programmabureau.gif";
ia[29] = "/afb/sub_veiligheidsregios.gif";
ia[30] = "/afb/sub_projecten.gif";
ia[31] = "/afb/sub_programma_cens2.gif";

ia[32] = "afb/sub_contact.gif";
ia[33] = "afb/sub_contact_over.gif";

var pl = new Array();
var pla = new Array();
var plb = new Array();
var plc = new Array();

var preloadimg = new Array();
var preloadimgn = new Array();
var preloadimgnh = new Array();

var r = 0;
window.onload = function(){
	for(i=0;i<ia.length;i++){
		pl[i] = new Image();
		pl[i].src = ia[i];
		//pl[i].onload = r++;
	}
	if(eval(preloadimg)){
		for(i=0;i<preloadimg.length;i++){
			pla[i] = new Image();
			pla[i].src = '/images/'+preloadimg[i];
			//pla[i].onload = r++;
		}
	}
	if(eval(preloadimgn)){
		for(i=0;i<preloadimgn.length;i++){
			plb[i] = new Image();
			plb[i].src = preloadimgn[i];
			//plb[i].onload = r++;
		}
	}
	if(eval(preloadimgnh)){
		for(i=0;i<preloadimgnh.length;i++){
			plc[i] = new Image();
			plc[i].src = preloadimgnh[i];
			//plc[i].onload = r++;
		}
	}
}