function setopacity(imageobject, opacity){
 if (navigator.appName.indexOf("Netscape")!=-1
  &&parseInt(navigator.appVersion)>=5)
    imageobject.style.MozOpacity=opacity/100
 else if (navigator.appName.indexOf("Microsoft")!= -1 
  &&parseInt(navigator.appVersion)>=4)
    imageobject.filters.alpha.opacity=opacity
}

function workfader() {
if (ctr < 50) setopacity(document.getElementById('imageimage'),ctr*2);
if (ctr > 400 && ctr < 426) setopacity(document.getElementById('imageimage'),((425-ctr)*4));
ctr = ctr + 1;
if (ctr == 425) 
	{
		if (imgctr < numimg) imgctr = imgctr + 1; else imgctr = 1;
		document.getElementById('imageimage').src = bimage[imgctr];
	}
if (ctr > 440) 
	{
		ctr = 0;
	}
setTimeout (workfader,10);
}

function updatecontent() {
document.getElementById('cctitle').innerHTML = ctitle[navindex];
document.getElementById('ccauthor').innerHTML = cauthor[navindex];
document.getElementById('ccbody').innerHTML = cbody[navindex];
}

function navleft() {
	dontautonav = 1;
	if (navindex > 1)
		{
			navindex = navindex - 1;
			updatecontent();			
		}
		else
		{
			navindex = citems;
			updatecontent();
		}
		
}
function navright() {
	dontautonav = 1;
	if (navindex < citems)
		{
			navindex = navindex + 1;
			updatecontent();			
		}
		else
		{
			navindex = 1;
			updatecontent();			
		}
}
function autonav() {
if (dontautonav == 0) {
	if (navindex < citems)
		{
			navindex = navindex + 1;
			updatecontent();			
		}
		else
		{
			navindex = 1;
			updatecontent();			
		}
setTimeout (autonav,navdelay);
 }
}