photolist = new Array()
photolist[0]="pic1.jpg"
photolist[1]="pic2.jpg"
photolist[2]="pic3.jpg"
photolist[3]="california_ave_substation.jpg"
photolist[4]="carkeek_park.jpg"
photolist[5]="alki_bathhouse.jpg"
photolist[6]="ben_bridge.jpg"
photolist[7]="discovery_park.jpg"
photolist[8]="gasworks.jpg"
photolist[9]="georgetown.jpg"
photolist[10]="hat_and_boots.jpg"
photolist[11]="international_district.jpg"
photolist[12]="kobe_bell.jpg"
photolist[13]="pier59.jpg"
photolist[14]="pike_place_market.jpg"
photolist[15]="ppatch.jpg"
photolist[16]="queenanne_watertank.jpg"
photolist[17]="ravenna_park.jpg"
photolist[18]="sewardpark_annex.jpg"
photolist[19]="volunteerpark_conservatory.jpg"

var1=0;
var2=0;
var3=0;

function get_random(){
  var ranNUM= Math.floor(Math.random()*photolist.length);
  return ranNUM;
}

function picrandom(){
  pic1random();
}

function pic1random(){
  vartemp1 = get_random();
  var1=vartemp1;
  pic2random(vartemp1);
}

function pic2random(vtemp1){
  vartemp2 = get_random();
  while(vartemp2 == vtemp1){
    vartemp2 = get_random();  
  }
  var2=vartemp2;
  pic3random(vtemp1,vartemp2);
//  alert("TEMP1: "+vtemp1+"TEMP2: "+vartemp2)
}

function pic3random(vtemp1,vtemp2){
  vartemp3 = get_random();
  while(vartemp3 == vtemp1 || vartemp3==vtemp2){
    vartemp3 = get_random();
  }
  var3 =vartemp3;
  var1=var1;
  var2=var2;
  var3=var3;
  changePHOTOS(var1,var2,var3);
}
function changePHOTOS(p1,p2,p3){
document.getElementById('photo1').src="images/"+photolist[p1];
document.getElementById('photo2').src="images/"+photolist[p2];
document.getElementById('photo3').src="images/"+photolist[p3];
}