// JavaScript Document
var IeAlpha;
var IsRuning;
var FadeIn;
//IeAlpha = 100;    
 
function FadeImage(e, picarr2) {
	var nextpic, prevpic, posofpic;
 
	var avskaladURL = document.getElementById('bild').src;
 
	if(IsRuning != 1) {
		if(document.getElementById('bild').src.substring(avskaladURL.length-e.length, avskaladURL.length) != e) {
			IsRuning = 1;
			document.getElementById('bild').style.opacity = "1";
			t=setInterval("fade('"+e+"')", 10);
		}
 
		posofpic = picarr2.ArrayPlats(e);
 
		if (posofpic >= picarr2.length - 1) {
			nextpic = 0;
		} else {
			nextpic = posofpic + 1;
		}
 
		if (posofpic <= 0) {
			prevpic = picarr2.length - 1;
		} else {
			prevpic = posofpic - 1;
		}
 
		document.getElementById('piclink_back').href = "javascript:FadeImage('" + picarr2[prevpic][0] + "', picarr);changeText('imgtext','" + picarr2[prevpic][1] + "');";
		document.getElementById('piclink_forw').href = "javascript:FadeImage('" + picarr2[nextpic][0] + "', picarr);changeText('imgtext','" + picarr2[nextpic][1] + "');";
	}
}
 
Array.prototype.ArrayPlats=function(o){
	for(var i=0;i < this.length; i++) {
		if(this[i][0]==o) {
			return i;
		}
	}
	return -1;
}
 
function fade(e) {
	if (FadeIn != 1) {
	   IeAlpha-=10;
	   document.getElementById('bild').style.filter = "alpha(opacity=" + IeAlpha + ")";
 
	   currentAlpha = parseFloat(document.getElementById('bild').style.opacity);
	   document.getElementById('bild').style.opacity = currentAlpha-0.1;
    } else {
		IeAlpha+=10;
		document.getElementById('bild').style.filter = "alpha(opacity=" + IeAlpha + ")";
 
		currentAlpha = parseFloat(document.getElementById('bild').style.opacity);
		document.getElementById('bild').style.opacity = currentAlpha+0.1;
 
		if (parseFloat(document.getElementById('bild').style.opacity) == 1) {
			FadeIn = 0;
			clearInterval(t);
			IsRuning = 0;
		}
		if(IeAlpha == 100) {
			FadeIn = 0;
			clearInterval(t);
			IsRuning = 0;
		}
	}
	if (parseFloat(document.getElementById('bild').style.opacity) == 0) {
		document.getElementById('bild').src = e;
		FadeIn = 1;
	}
	if (IeAlpha == 0) {
		document.getElementById('bild').src = e;
		FadeIn = 1;
	}
}
 
function changeText(id, text){
	document.getElementById(id).innerHTML = text;
}