/* javascript für podpoddesign				*/
/* code by aart.cc					*/



var closeImgNr = false;
var closeNr = false;
var bildNr = 0;
var bilder = new Array();
var bildIds = new Array();
var aktiv = false;
var actBildId = false;
var actProjNr = false;
var I   = (document.all) ? true:false;                    // ie4+
var unblurry;
var k = 0;

/* bestimmte layer zeigen und verbergen			*/

function showLays(nr) {
	if(closeNr) {
		bClose = 'bild' + closeNr;
		tClose = 'text' + closeNr;
		document.getElementById(bClose).style.visibility = 'hidden';
		document.getElementById(tClose).style.visibility = 'hidden';
	}
	bLay = 'bild' + nr;
	tLay = 'text' + nr;
	document.getElementById(bLay).style.visibility = 'visible';
	document.getElementById(tLay).style.visibility = 'visible';
	closeNr = nr;
}

function closeLays() {
	if(closeNr) {
		bClose = 'bild' + closeNr;
		tClose = 'text' + closeNr;
		document.getElementById(bClose).style.visibility = 'hidden';
		document.getElementById(tClose).style.visibility = 'hidden';
	}
}

function closeBilds() {
	if(closeNr) {
		bClose = 'bild' + closeNr;
		document.getElementById(bClose).style.visibility = 'hidden';
	}
}

function showImg(inr) {
	if(closeImgNr) {
		iClose = 'imageLay' + closeImgNr;
		document.getElementById(iClose).style.visibility = 'hidden';
	}
	bImg = 'imageLay' + inr;
	document.getElementById(bImg).style.visibility = 'visible';
//       alert(document.getElementById(bImg).style.visibility);
	closeImgNr = inr;
}

function closeImg() {
	if(closeImgNr) {
		iClose = 'imageLay' + closeImgNr;
		document.getElementById(iClose).style.visibility = 'hidden';
	}
}

function showSlides(projNr) {
	anzPics = bilder[projNr].length;
	bildId = 'bilder' + projNr;
//       alert(bildId);
	document.getElementById(bildId).src = bilder[projNr][bildNr];
	actBildId = bildIds[projNr][bildNr];
	bildNr++;
	if(bildNr >= anzPics) bildNr = 0;
}

function startSlideshow(projNr) {
	if(actProjNr != projNr) {
		bildNr = 0;
		actProjNr = projNr;
	}
	showSlides(projNr);
	aktiv = window.setInterval("showSlides(" + projNr + ")", 1500);
} 

function stopSlideShow() {
	window.clearInterval(aktiv);
//	bildNr = 0;
}

function unBlurPic() {
	k += 1;
	l = k/100;
	bilderl = document.getElementById('spruch');
	if(I) bilderl.style.filter = "Alpha(opacity=" + k + ")";
	else bilderl.style.opacity = l;
//	alert(bilderl.style.filter);
//	bilderl.style.visibility = 'visible';
	if(k >= 100) {
		window.clearInterval(unblurry);
	}
}