// some of this is nolonger needed since date=current_gfs was discovered

function get_date_time(){

var now = new Date();
var year = now.getUTCFullYear();
var month = now.getUTCMonth()+1;
var date =now.getUTCDate();
var localdate=now.getDate();
var hour =now.getUTCHours();
var sndhour=hour;
var sounddate=date;
var minutes=now.getUTCMinutes();
if(parseInt(minutes)<11){hour=hour-1;}
if(hour==-1){hour=23;}
if(month<10){month="0"+month;}
if(hour<10){hour="0"+hour;}
if(date<10){date="0"+date;}

if (parseInt(sndhour) >0 && parseInt(sndhour) <5){sounddate=parseInt(sounddate)-1;}

if (parseInt(sndhour) >=5 && parseInt(sndhour) <=17){sndhour="00"; }else {sndhour="12"}
if (sounddate<10 ){sounddate="0"+sounddate;}
run=year+month+sounddate+sndhour;

gifname=year+month+date+hour
gifurl4="http://www.atmos.washington.edu/maciver/Ferry/images/wind/f4"+year+month+date+hour+"05.gif";
gifurl3="http://www.atmos.washington.edu/maciver/Ferry/images/wind/f3"+year+month+date+hour+"05.gif";
gifurl_satenh="http://www.atmos.washington.edu/images/ir4km_enhanced/"+year+month+date+hour+"00.gif";
gifurl_satwv="http://www.atmos.washington.edu/images/wv8km_enhanced/"+year+month+date+hour+"00.gif";
gifurl_preciptot="http://www.srh.noaa.gov/rfcshare/p_images_new/"+year+"/"+year+month+"/"+year+month+localdate+"/stwa_"+year+month+localdate+"_1_obs.gif";

//all of these can have run replaced by current_gfs  and don't need a time and date lookup.
//soundbase4="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?date="+run+"&type=skewt&domain=d3&lat="+newlat+"&lon="+newlon+"&station=NA&hours=12";
//soundbase12="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?date="+run+"&type=skewt&domain=d2&lat="+newlat+"&lon="+newlon+"&station=NA&hours=12";
//sound6url="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?domain=d3&date="+run+"&type=skewt&hours=6&height=700&station=&lat=48.614&lon=122.43";
//sound9url="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?domain=d3&date="+run+"&type=skewt&hours=9&height=700&station=&lat=48.614&lon=122.43";
//sound12url="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?domain=d3&date="+run+"&type=skewt&hours=12&height=700&station=&lat=48.614&lon=122.43";
//sound15url="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?domain=d3&date="+run+"&type=skewt&hours=15&height=700&station=&lat=48.614&lon=122.43";
//sound18url="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?domain=d3&date="+run+"&type=skewt&hours=18&height=700&station=&lat=48.614&lon=122.43";
//sound21url="http://www.atmos.washington.edu/mm5rt/rt/sound_gen/scripts/sound_gen.cgi?domain=d3&date="+run+"&type=skewt&hours=21&height=700&station=&lat=48.614&lon=122.43";
//alert(run+":run "+sndhour+"is sndhour "+sounddate+"is sounddate");
return true;
}