var img1= new Array() // wine tasting
  img1[0]= "images/backyard.jpg";
  img1[1]= "images/vines.jpg";
  img1[2]= "images/groupwinetaste.jpg";
  img1[3]= "images/barrels.jpg";
  
var img2= new Array() // kayaking
  img2[0]= "images/kayaking.jpg";
  img2[1]= "images/harbor.jpg";
  img2[2]= "images/warmup.jpg";
  
var img3= new Array() // whale watching
  img3[0]= "images/whale.jpg";
  img3[1]= "images/condorexpress.jpg";
  img3[2]= "images/watchers.jpg";
  
var img4= new Array() // deep sea fishing
  img4[0]= "images/fishing.jpg";
  img4[1]= "images/stardust.jpg";
  img4[2]= "images/catch.jpg";
 
var img5= new Array() // golfing
  img5[0]= "images/glenannie.jpg";
  img5[1]= "images/golf.jpg";
  img5[2]= "images/glenannie2.jpg";
  
var img6= new Array() // sailing
  img6[0]= "images/sail1.jpg";
  img6[1]= "images/sail2.jpg";
  img6[2]= "images/sail3.jpg";
  
var img7= new Array() // horseback riding
  img7[0]= "images/pat.jpg";
  img7[1]= "images/horses.jpg";
  img7[2]= "images/stables.jpg";
  
var img8= new Array() // city tour
  img8[0]= "images/riviera.jpg";
  img8[1]= "images/mission.jpg";
  img8[2]= "images/presidio.jpg"; 
  
var img9= new Array() // beer tour
  img9[0]= "images/brewtanks.jpg";
  img9[1]= "images/beers.jpg";
  img9[2]= "images/beers2.jpg";

var i1 = 0;
var i2 = 0;
var i3 = 0;
var i4 = 0;
var i5 = 0;
var i6 = 0;
var i7 = 0;
var i8 = 0;
var i9 = 0;
var x = 0;

function loadImg(){
  document.img1.src = img1[i1];
  document.img2.src = img2[i2];
  document.img3.src = img3[i3];
  document.img4.src = img4[i4];
  document.img5.src = img5[i5];
  document.img6.src = img6[i6];
  document.img7.src = img7[i7];
  document.img8.src = img8[i8]; 
  document.img9.src = img9[i9];   
}

function prev(x)
{
if (x == 1)  // image 1
	{
	  if(i1 < 1) {
		i1 = img1.length - 1
	  } else {
		i1 = i1 - 1;
	  }
	  document.img1.src = img1[i1];
	}
else if (x == 2) //image 2
	{
	  if(i2 < 1) {
		i2 = img2.length - 1
	  } else {
		i2 = i2 - 1;
	  }
	  document.img2.src = img2[i2];		
	}
else if (x == 3) //image 3
	{
	  if(i3 < 1) {
		i3 = img3.length - 1
	  } else {
		i3 = i3 - 1;
	  }
	  document.img3.src = img3[i3];		
	}
else if (x == 4) //image 4
	{
	  if(i4 < 1) {
		i4 = img4.length - 1
	  } else {
		i4 = i4 - 1;
	  }
	  document.img4.src = img4[i4];		
	}
else if (x == 5) //image 5
	{
	  if(i5 < 1) {
		i5 = img5.length - 1
	  } else {
		i5 = i5 - 1;
	  }
	  document.img5.src = img5[i5];		
	}
else if (x == 6) //image 6
	{
	  if(i6 < 1) {
		i6 = img6.length - 1
	  } else {
		i6 = i6 - 1;
	  }
	  document.img6.src = img6[i6];		
	}
else if (x == 7) //image 7
	{
	  if(i7 < 1) {
		i7 = img7.length - 1
	  } else {
		i7 = i7 - 1;
	  }
	  document.img7.src = img7[i7];		
	}
else if (x == 8) //image 8
	{
	  if(i8 < 1) {
		i8 = img8.length - 1
	  } else {
		i8 = i8 - 1;
	  }
	  document.img8.src = img8[i8];		
	}
else if (x == 9) //image 9
	{
	  if(i9 < 1) {
		i9 = img9.length - 1
	  } else {
		i9 = i9 - 1;
	  }
	  document.img9.src = img9[i9];		
	}		
}

function next(x)
{
if (x == 1)  // image 1
	{
	  if(i1 > (img1.length - 2)) {
		i1 = 0
	  } else {
		i1 = i1 + 1;
	  }
	  document.img1.src = img1[i1];
	}
else if (x == 2) //image 2
	{
	  if(i2 > (img2.length - 2)) {
		i2 = 0
	  } else {
		i2 = i2 + 1;
	  }
	  document.img2.src = img2[i2];		
	}
else if (x == 3) //image 3
	{
	  if(i3 > (img3.length - 2)) {
		i3 = 0
	  } else {
		i3 = i3 + 1;
	  }
	  document.img3.src = img3[i3];		
	}
else if (x == 4) //image 4
	{
	  if(i4 > (img4.length - 2)) {
		i4 = 0
	  } else {
		i4 = i4 + 1;
	  }
	  document.img4.src = img4[i4];		
	}
else if (x == 5) //image 5
	{
	  if(i5 > (img5.length - 2)) {
		i5 = 0
	  } else {
		i5 = i5 + 1;
	  }
	  document.img5.src = img5[i5];		
	}
else if (x == 6) //image 6
	{
	  if(i6 > (img6.length - 2)) {
		i6 = 0
	  } else {
		i6 = i6 + 1;
	  }
	  document.img6.src = img6[i6];		
	}
else if (x == 7) //image 7
	{
	  if(i7 > (img7.length - 2)) {
		i7 = 0
	  } else {
		i7 = i7 + 1;
	  }
	  document.img7.src = img7[i7];		
	}
else if (x == 8) //image 8
	{
	  if(i8 > (img8.length - 2)) {
		i8 = 0
	  } else {
		i8 = i8 + 1;
	  }
	  document.img8.src = img8[i8];		
	}
else if (x == 9) //image 9
	{
	  if(i9 > (img9.length - 2)) {
		i9 = 0
	  } else {
		i9 = i9 + 1;
	  }
	  document.img9.src = img9[i9];		
	}	
}

window.onload=loadImg;