function get_content(url){
	this.url = url;
	var xmlhttp = null;

//	document.getElementById('content').innerHTML = "<img class="loading" src="/gfx/loading.gif" />;

	this.sb = function(){
		if (xmlhttp.readyState == 4){
			document.getElementById('content').innerHTML = xmlhttp.responseText;
			}
		}
	if (window.XMLHttpRequest){		xmlhttp=new XMLHttpRequest();  	}
	// code for IE
	else if (window.ActiveXObject){ xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");	}
	if (xmlhttp!=null){
		xmlhttp.onreadystatechange=this.sb;
		xmlhttp.open("GET",this.url,true);	
		xmlhttp.send(null);	
	}
	else{
		alert("Your browser does not support XMLHTTP.");
	}
}

function stop_radio(){
	document.getElementById('radio').src = '/gfx/radio_stop.jpg';
}

function clear_radio(){
	document.getElementById('radio').src = '/gfx/radio.jpg';
}


function flip_header_img(id){


	var header_images = new Array()
        header_images[0] = '/gfx/logo_pose_sekk.gif'
        header_images[1] = '/gfx/logo_mye_mer.gif' //geir
        header_images[2] = '/gfx/logo_tall_tull.gif' //olaper
        header_images[3] = '/gfx/logo_ord_spill.gif' //petter
        header_images[4] = '/gfx/logo_menneske_maskin.gif' //thomas
        header_images[5] = '/gfx/logo_vill_gal.gif' // aslaug
        header_images[6] = '/gfx/logo_fore_var_etter_snar.gif' //Morten
        header_images[7] = '/gfx/logo_for_etter.gif' //Kaare
        header_images[8] = '/gfx/logo_sjekke_klekke.gif' //magnus
        header_images[9] = '/gfx/logo_for_na.gif' //Bjornar P.
        header_images[10] = '/gfx/logo_tant_fjas.gif' // Henrik todesen
        header_images[11] = '/gfx/logo_rund_god.gif' // Lars K.
        header_images[12] = '/gfx/logo_billig_bra.gif' //->Bjornar O.
        header_images[13] = '/gfx/logo_ditt_datt.gif' //Simen
        header_images[14] = '/gfx/logo_super_duper.gif' //Joachim
        header_images[15] = '/gfx/logo_av_pa.gif'
        header_images[16] = '/gfx/logo_av_til.gif'
        header_images[17] = '/gfx/logo_pluss_minus.gif'
        header_images[18] = '/gfx/logo_boller_brus.gif'
        header_images[19] = '/gfx/logo_bors_katedral.gif'
        header_images[20] = '/gfx/logo_brak_spetakkel.gif'
        header_images[21] = '/gfx/logo_brod_sirkus.gif'
        header_images[22] = '/gfx/logo_clean.gif'
        header_images[23] = '/gfx/logo_country_western.gif'
        header_images[24] = '/gfx/logo_dag_natt.gif'
        header_images[25] = '/gfx/logo_dill_dall.gif'
        header_images[26] = '/gfx/logo_ditt_datt.gif' //**
        header_images[27] = '/gfx/logo_du_jeg.gif'
        header_images[28] = '/gfx/logo_dur_moll.gif'
        header_images[29] = '/gfx/logo_egg_bacon.gif'
        header_images[30] = '/gfx/logo_elev_veileder.gif'
        header_images[31] = '/gfx/logo_fjell_daler.gif'
        header_images[32] = '/gfx/logo_foran_bak.gif'
        header_images[32] = '/gfx/logo_for_etter.gif'
        header_images[33] = '/gfx/logo_fore_var_etter_snar.gif' //**
        header_images[34] = '/gfx/logo_frokost_middag.gif'
        header_images[35] = '/gfx/logo_fugl_fisk.gif'
        header_images[36] = '/gfx/logo_full_pen.gif'
        header_images[37] = '/gfx/logo_godt_vondt.gif'
        header_images[38] = '/gfx/logo_gul_bla.gif'
        header_images[39] = '/gfx/logo_gull_granbar.gif'
        header_images[40] = '/gfx/logo_her_der.gif'
        header_images[41] = '/gfx/logo_hor_bor.gif'
        header_images[42] = '/gfx/logo_hore_madonna.gif'
        header_images[43] = '/gfx/logo_hoyt_lavt.gif'
        header_images[44] = '/gfx/logo_hud_har.gif'
        header_images[45] = '/gfx/logo_hummer_kanari.gif'
        header_images[46] = '/gfx/logo_hund_katt.gif'
        header_images[47] = '/gfx/logo_kjop_salg.gif'
        header_images[48] = '/gfx/logo_knall_fall.gif'
        header_images[49] = '/gfx/logo_kniv_gaffel.gif'
        header_images[50] = '/gfx/logo_konge_dronning.gif'
        header_images[51] = '/gfx/logo_krig_kjaerlighet.gif'
        header_images[52] = '/gfx/logo_kropp_sjel.gif'
        header_images[53] = '/gfx/logo_kvinner_menn.gif'
        header_images[54] = '/gfx/logo_lenge_vel.gif'
        header_images[55] = '/gfx/logo_liten_sot.gif'
        header_images[56] = '/gfx/logo_lys_morke.gif'
        header_images[57] = '/gfx/logo_menneske_maskin.gif' //**
        header_images[58] = '/gfx/logo_motgang_medgang.gif'
        header_images[59] = '/gfx/logo_mye_mer.gif' //**
        header_images[60] = '/gfx/logo_null_uendelig.gif'
        header_images[61] = '/gfx/logo_ny_gammel.gif'
        header_images[62] = '/gfx/logo_ol_vin.gif'
        header_images[63] = '/gfx/logo_opp_ned.gif'
        header_images[64] = '/gfx/logo_ord_spill.gif' //**
        header_images[65] = '/gfx/logo_ost_skinke.gif'
        header_images[66] = '/gfx/logo_ost_vest.gif'
        header_images[67] = '/gfx/logo_penn_papir.gif'
        header_images[68] = '/gfx/logo_pytt_panne.gif'
        header_images[69] = '/gfx/logo_reker_hvitvin.gif'
        header_images[70] = '/gfx/logo_rett_slett.gif'
        header_images[71] = '/gfx/logo_rock_roll.gif'
        header_images[72] = '/gfx/logo_rod_gronn.gif'
        header_images[73] = '/gfx/logo_salt_pepper.gif'
        header_images[74] = '/gfx/logo_se_hor.gif'
        header_images[75] = '/gfx/logo_seig_mor.gif'
        header_images[76] = '/gfx/logo_shampo_balsam.gif'
        header_images[77] = '/gfx/logo_sjekke_klekke.gif' //***
        header_images[78] = '/gfx/logo_skap_nokkel.gif'
        header_images[79] = '/gfx/logo_smor_flesk.gif'
        header_images[80] = '/gfx/logo_snorr_bart.gif'
        header_images[81] = '/gfx/logo_sor_nord.gif'
        header_images[82] = '/gfx/logo_start_slutt.gif'
        header_images[83] = '/gfx/logo_stig_stein.gif'
        header_images[84] = '/gfx/logo_sus_dus.gif'
        header_images[85] = '/gfx/logo_tall_tull.gif' //***
        header_images[86] = '/gfx/logo_tant_fjas.gif' //***
        header_images[87] = '/gfx/logo_tjukk_feit.gif'
        header_images[88] = '/gfx/logo_to_raske_vekk_me_n.gif'
        header_images[89] = '/gfx/logo_to_tette_en_badehette.gif'
        header_images[90] = '/gfx/logo_trommer_bass.gif'
        header_images[91] = '/gfx/logo_armer_bein.gif' //***
        header_images[92] = '/gfx/logo_tut_kjor.gif'
        header_images[93] = '/gfx/logo_ung_gammel.gif'
        header_images[94] = '/gfx/logo_vann_brod.gif'
        header_images[95] = '/gfx/logo_vill_gal.gif' //***


	var j = 0
	var p = header_images.length;
	var pre_buffer = new Array()
	for (i = 0; i < p; i++){
		pre_buffer[i] = new Image()
		pre_buffer[i].src = header_images[i]
	}

	var random_image = Math.round(Math.random()*(p-1));

	if (id==null){
		document.getElementById('header_img').src = header_images[random_image];
	} else {
		document.getElementById('header_img').src = id;
	}

}