// JavaScript Document
var iCurrentSlide = 0 ;
var iSlideCount = 0 ;
var fOnLoadCall = window.onload ;

document.write('<link rel="stylesheet" href="/enews/script/waiSlideshow.css" type="text/css">') ;

function Next( ) {
	var oImage = document.getElementById("img_slide") ;
	var oLabel = document.getElementById("lbl_slide") ;
	
	if ( iCurrentSlide < iSlideCount ) {
		iCurrentSlide++ ;
		oImage.src = "slide" + TwoCharNumber(iCurrentSlide) + ".jpg" ;
		oLabel.innerHTML = iCurrentSlide + " of " + iSlideCount ;
		
		CheckButtons() ;
	}
}
function Prev( ) {
	var oImage = document.getElementById("img_slide") ;
	var oLabel = document.getElementById("lbl_slide") ;
	
	if ( iCurrentSlide > 1 ) {
		iCurrentSlide-- ;
		oImage.src = "slide" + TwoCharNumber(iCurrentSlide) + ".jpg" ;
		oLabel.innerHTML = iCurrentSlide + " of " + iSlideCount ;
		
		CheckButtons() ;
	}
}
function TwoCharNumber( iValue ) {
	var sValue = "" + iValue ;
	
	if ( sValue.length < 2 ) {
		sValue = "0" + sValue ;
	}
	
	return sValue ;
}
function CheckButtons( ) {
	var oNext  = document.getElementById("btn_next") ;
	var oPrev  = document.getElementById("btn_prev") ;
	
	if ( iCurrentSlide == 1 ) {
		oPrev.className = "slidebtn unavail" ;
	} else {
		oPrev.className = "slidebtn" ;
	}
	
	if ( iCurrentSlide == iSlideCount ) {
		oNext.className = "slidebtn unavail" ;
	} else {
		oNext.className = "slidebtn" ;
	}
	
	document.getElementById("slidetext").innerHTML = document.getElementById("slidetext" + iCurrentSlide).innerHTML ;
}
window.onload = function ( ) {
	Next() ;
	fOnLoadCall() ;
}