var i = 1
var set = 4
var g1 = 1
var g2 = 2
var g3 = 3
var g4 = 4
var g5 = 5
var max = 43
images = new Array
images[1] = "image1.jpg"
images[2] = "image2.jpg"
images[3] = "image3.jpg"
images[4] = "image4.jpg"
images[5] = "image5.jpg"
images[6] = "image6.jpg"
images[7] = "image7.jpg"
images[8] = "image8.jpg"
images[9] = "image9.jpg"
images[10] = "image10.jpg"
images[11] = "image11.jpg"
images[12] = "image12.jpg"
images[13] = "image13.jpg"
images[14] = "image14.jpg"
images[15] = "image15.jpg"
images[16] = "image16.jpg"
images[17] = "image17.jpg"
images[18] = "image18.jpg"
images[19] = "image19.jpg"
images[20] = "image20.jpg"
images[21] = "image21.jpg"
images[22] = "image22.jpg"
images[23] = "image23.jpg"
images[24] = "image24.jpg"
images[25] = "image25.jpg"
images[26] = "image26.jpg"
images[27] = "image27.jpg"
images[28] = "image28.jpg"
images[29] = "image29.jpg"
images[30] = "image30.jpg"
images[31] = "image31.jpg"
images[32] = "image32.jpg"
images[33] = "image33.jpg"
images[34] = "image34.jpg"
images[35] = "image35.jpg"
images[36] = "image36.jpg"
images[37] = "image37.jpg"
images[38] = "image38.jpg"
images[39] = "image39.jpg"
images[40] = "image40.jpg"
images[41] = "image41.jpg"
images[42] = "image42.jpg"
images[43] = "no_image.jpg"
images[44] = "no_image.jpg"
images[45] = "no_image.jpg"


function changeimage(i) {
  if (i == 1) {
document.gallery.src = "gallery/" + images[g1];
  }
    if (i == 2) {
document.gallery.src = "gallery/" + images[g2];
  }
    if (i == 3) {
document.gallery.src = "gallery/" + images[g3];
  }
    if (i == 4) {
document.gallery.src = "gallery/" + images[g4];
  }
    if (i == 5) {
document.gallery.src = "gallery/" + images[g5];
  }
}


function previmg(){
	if (g1 > set){
		document.g1.src = "gallery/thumbs/" + images[g1-set]
		g1 = g1 - set
		document.g2.src = "gallery/thumbs/" + images[g2-set]
		g2 = g2 - set
		document.g3.src = "gallery/thumbs/" + images[g3-set]
		g3 = g3 - set
		document.g4.src = "gallery/thumbs/" + images[g4-set]
		g4 = g4 - set
		document.g5.src = "gallery/thumbs/" + images[g5-set]
		g5 = g5 - set
	}
}

function nextimg(){
	if (g5 < max){
		document.g1.src = "gallery/thumbs/" + images[g1+set]
		g1 = g1 + set
		document.g2.src = "gallery/thumbs/" + images[g2+set]
		g2 = g2 + set
		document.g3.src = "gallery/thumbs/" + images[g3+set]
		g3 = g3 + set
		document.g4.src = "gallery/thumbs/" + images[g4+set]
		g4 = g4 + set
		document.g5.src = "gallery/thumbs/" + images[g5+set]
		g5 = g5 + set
	}
}