var slideNum = 1;
function getSlideNums(){
	return document.getElementById('slideWrapper').getElementsByTagName('dl').length;
}
function navButton(){
	if(slideNum > 1 && slideNum < getSlideNums()){
		document.getElementById('btn_prev').innerHTML = '&nbsp;&nbsp;<a href="javascript:void(goPrev())" id="prev_nav" class="prev_nav_grey" style="text-decoration:none;">Previous</a>&nbsp;&nbsp;';
		document.getElementById('btn_next').innerHTML = '&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:void(goNext())" id="next_nav" style="text-decoration:none;">Next</a>&nbsp;&nbsp;&nbsp;&nbsp;';
		document.getElementById('prev_nav').className = "prev_nav_on";
		document.getElementById('next_nav').className = "prev_nav_on";
	}
	else if(slideNum == 1){
		document.getElementById('btn_prev').innerHTML = "&nbsp;&nbsp;Previous&nbsp;&nbsp;";
		document.getElementById('btn_next').innerHTML = '&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:void(goNext())" id="next_nav" style="text-decoration:none;">Next</a>&nbsp;&nbsp;&nbsp;&nbsp;';
		document.getElementById('next_nav').className = "prev_nav_on";
	}
	else if(slideNum == getSlideNums()){
		document.getElementById('btn_prev').innerHTML = '&nbsp;&nbsp;<a href="javascript:void(goPrev())" id="prev_nav" class="prev_nav_grey" style="text-decoration:none;">Previous</a>&nbsp;&nbsp;';
		document.getElementById('btn_next').innerHTML = '&nbsp;<a href="javascript:void(goFirst())" id="next_nav" style="text-decoration:none;">Start Over</a>&nbsp;';
		document.getElementById('next_nav').className = "prev_nav_on";
		document.getElementById('prev_nav').className = "prev_nav_on";
	}
}
function goThere(on,off){
	var img ;
	if ( typeof hasOpacityMethodsLoaded != 'undefined' && hasOpacityMethodsLoaded ) {
		img  = ((document.getElementById('layer'+on)).getElementsByTagName('div')[0]).getElementsByTagName('img')[0] ;
		setOpacity(img,oTRANSPARENT);
	}

	document.getElementById('layer'+on ).className = "slideOn";
	document.getElementById('layer'+off).className = "slideOff";

	if ( on == 1 ) slideNum = 1 ;
	else if ( on > off ) slideNum++ ;
	else if ( on < off ) slideNum-- ;

	navButton();

	if ( typeof hasOpacityMethodsLoaded != 'undefined' && hasOpacityMethodsLoaded )
		ripenOpacity(img,oSLIDESHOW);
}
function goNext(){
	goThere(slideNum+1,slideNum);
}
function goPrev(){
	goThere(slideNum-1,slideNum);
}
function goFirst(){
	goThere(1,slideNum);
}
if(slideNum == 1){
	document.getElementById('btn_prev').innerHTML = "&nbsp;&nbsp;Previous&nbsp;&nbsp;";
	document.getElementById('btn_prev').style.color = "#333";
}