var currphoto=1; //current photo

var numPhotos=15; //number of photos

var photoDesc = new Array (numPhotos); //create array

//populate array
photoDesc[0] = "The Holbeach Mosaics";
photoDesc[1] = "High street - Photo 1";
photoDesc[2] = "High street - Photo 2";
photoDesc[3] = "High street - Photo 3";
photoDesc[4] = "The Churchyard";
photoDesc[5] = "The Market - Photo 1";
photoDesc[6] = "The Market - Photo 2";
photoDesc[7] = "The Chequers Hotel";
photoDesc[8] = "The Church - Photo 1";
photoDesc[9] = "The Church - Photo 2";
photoDesc[10] = "Holbeach War Memorial";
photoDesc[11] = "The Cemetary Chapel";
photoDesc[12] = "George Farmer Technology College";
photoDesc[13] = "Parish Council Offices";
photoDesc[14] = "The Reading Rooms";

function PrintPhotoDesc(i)//print the description
{
document.getElementById("phototext").innerHTML=photoDesc[i-1];
}

function bkbtnin(btn_id)//mouse over back button
{
btn_id.src="images/backbtnh.jpg";
}

function bkbtnout(btn_id)//mouse out of back button
{
btn_id.src="images/backbtn.jpg";
}

function fwbtnin(btn_id)//mouse over fwd button
{
btn_id.src="images/fwdbtnh.jpg";
}

function fwbtnout(btn_id)//mouse out of fwd button
{
btn_id.src="images/fwdbtn.jpg";
}

function go_back()//load previous phto + desc
{
if (currphoto > 1) 
	currphoto --;

else 
	currphoto = numPhotos;

fname="gallery/big"+ currphoto +".jpg";
ihandle=document.getElementById("bigphoto");
ihandle.src=fname;
PrintPhotoDesc(currphoto);//call func to print desc

}

function go_fwd()//load next phto + desc
{

if (currphoto < numPhotos) 
	currphoto++;

else 
	currphoto = 1;

fname="gallery/big"+ currphoto +".jpg";
ihandle=document.getElementById("bigphoto");
ihandle.src=fname;
PrintPhotoDesc(currphoto);//call func to print desc

}