/*==================================================*
Book Show - written by Peebs.Net Team, 2007
The code is simple - moves forward and back through a series of 
pre-numbered slides.
*==================================================*/

// There are two objects defined in this file:
// "GoBack" - goes to next page
// "GoForward" - goes to previous page

//==================================================

// Variables that require definition
//
// StartPage - name of Intro Page
var StartPage; 
	StartPage = "pix/p0.jpg";
// SlidePre - filename prefix (ext assummed as '.jpg')
var SlidePre; 
	SlidePre = "pix/p";
// EndNum - the number of the last page
var EndNum;
	EndNum = 63;
// CurrNum - the number of the current page (StartPage = 0)
var CurrNum;
	CurrNum = 0;

//==================================================
//==================================================
// GoBack object
//==================================================
function GoBack() {
//
var linkname;
var NewNum;
//
	linkname="blank";
//
	NewNum=(CurrNum-1);
//
	if (NewNum<1) {
		CurrNum=0;
		linkname=StartPage;
	} else {
		CurrNum=NewNum;
		linkname=SlidePre+NewNum+".jpg";
	}

	frames['book'].location.href=linkname;
}

//==================================================
// GoForward object
//==================================================
function GoForward() {
//
var linkname;
var NewNum;
//
	linkname="blank";
//
	NewNum=(CurrNum+1);
//
	if (NewNum>EndNum) {
		CurrNum=0;
		linkname=StartPage;
	} else {
		CurrNum=NewNum;
		linkname=SlidePre+NewNum+".jpg";
	}
	
	frames['book'].location.href=linkname;
}

  //--------------------------------------------------