* 
*
*/
var slshTimeOut = 60; // delay between two fade steps
var slshDelay = 1200; // how long a image is shown
// before the next is faded in
var slshDelta = 3; // how much the opacity is modified
// per step(in percent)
var slshStartOpacity = 0;
var slshCurOpacity = slshStartOpacity;
var slshCurImage = 0;
/* ---------------------------------------------------------------------- */
/* sets the opacity of layer2 */
/* ---------------------------------------------------------------------- */
function slshSetOpacity(opacity)
{
var layer2 = document.getElementById('slshLayer2');
if( layer2 != null ) {
var layer2style = layer2.style;
layer2style.opacity = (opacity / 100);
layer2style.MozOpacity = (opacity / 100);
layer2style.KhtmlOpacity = (opacity / 100);
layer2style.filter = "alpha(opacity=" + opacity + ")";
}
slshCurOpacity = opacity;
return;
}
/* ---------------------------------------------------------------------- */
/* sets the href-property of the link */
/* ---------------------------------------------------------------------- */
function slshSetLink(url)
{
var slshLink = document.getElementById('slshLink');
if( slshLink != null )
slshLink.href = url;
return;
}
/* ---------------------------------------------------------------------- */
/* sets the background-image of a div */
/* ---------------------------------------------------------------------- */
function slshSetImage(div, url)
{
if( div != null )
div.style.backgroundImage = "URL('" + url + "')";
return;
}
/* ---------------------------------------------------------------------- */
/* initializes the script */
/* ---------------------------------------------------------------------- */
function slshInit(randomize)
{
slshSetOpacity(slshStartOpacity);
if( randomize )
slshCurImage = Math.round(Math.random()*(slshImages.length -1));
slshSetLink(slshUrls[slshCurImage]);
slshSetImage(document.getElementById('slshLayer1'), slshImages[slshCurImage]);
slshSetImage(document.getElementById('slshLayer2'), slshImages[slshCurImage]);
window.setTimeout("slshTick()", slshDelay);
return;
}
/* ---------------------------------------------------------------------- */
/* event handler for the timer */
/* ---------------------------------------------------------------------- */
function slshTick()
{
var layer2 = document.getElementById('slshLayer2');
slshSetOpacity(slshCurOpacity + slshDelta);
if( slshCurOpacity >= 100 ) {
var layer1 = document.getElementById('slshLayer1');
slshSetImage(layer1, slshImages[slshCurImage]);
slshSetLink(slshUrls[slshCurImage]);
slshCurImage = (slshCurImage + 1) % slshImages.length;
slshSetOpacity(slshStartOpacity);
slshSetImage(layer2, slshImages[slshCurImage]);
window.setTimeout("slshTick()", slshDelay);
} else
window.setTimeout("slshTick()", slshTimeOut);
return;
}
/* end of libslide.js */
*