// JavaScript Document
var browser=1;
if (navigator.userAgent.indexOf("Opera") >= 0)
{
	if (navigator.userAgent.indexOf("Opera/9") >= 0)
	{
		browser=90;
	}
	else
	{
		browser=5;
	}	
}
else
{
	if (navigator.userAgent.indexOf("Konqueror") > 0)
	{
		browser=3;
	}
	else
	{
		if (navigator.appName=="Netscape")
		{
			_version=left(navigator.appVersion,1);
			if (_version <='4'){browser=4;}
			else {browser=6;}
		}
	}	
}	

/*
bilder[4]='images/galleone.jpg';
bilder[5]='images/geige.jpg';
bilder[6]='images/katze.jpg';
bilder[7]='images/milenium.jpg';
bilder[8]='images/sax.jpg';
bilder[9]='images/loewe.jpg';
*/

cOut=new canvas('',0,'');
cIn=new canvas('',0,'');

function canvas(id,opz,src)
{
	this.id=id;
	this.opz=opz;
	this.src=src;
}


function mkSlideShow()
{
	var obj = document.getElementById('B1');
	var pos = {left:0, top:0};
	if(typeof obj.offsetLeft != 'undefined')
	{
	   while (obj)
	   {	
    	   pos.left += obj.offsetLeft ; 
	       pos.top += obj.offsetTop  ;
    	   obj = obj.offsetParent;
	   }
	}
	else
	{
	   pos.left = obj.left;
	   pos.top = obj.top;
	}
	document.write('<a href="JavaScript:setLink();" ><img src="'+bilder[1]+'" width="600" height="140" alt="" border="0" name="B2" id="B2" style="position:absolute;top:'+pos.top+'px;left:'+pos.left+'px;filter:alpha(opacity=100);opacity:100"></a>');

	 aktiv = window.setInterval('transition()', 8000);
}

function transition()
{
	// opazitaet("B2",0);
	// document.B1.src=bilder[currPic];

	currVisible=(currVisible == 'B1')?'B2':'B1';
	currNVisible=(currVisible == 'B1')?'B2':'B1';

	cOut.id=currVisible;
	cOut.opz=100;	
	cIn.id=currNVisible;
	aktivOut=window.setTimeout('fadeOut()',30);
	
	// aktivOut=window.setInterval('fadeOut()', 30);
	// fadeIn(currNVisible,0,100);
	
	// 
}


/*
function fadeOut()
{
	cOut.opz -= 1;
	opazitaet(cOut.id,cOut.opz);
	if ( cOut.opz <= 0 )
	{
		currPic ++;
		currPic = (currPic > bilder.length-1)?1:currPic;
		eval('document.'+cOut.id+'.src="'+bilder[currPic]+'"');
		window.clearInterval(aktivOut);
	}
}

*/


function fadeOut()
{
	cOut.opz -= 1;
	opazitaet(cOut.id,cOut.opz);
	opazitaet(cIn.id,100 -cOut.opz);
	if ( cOut.opz <= 0 )
	{
		currPic ++;
		currPic = (currPic > bilder.length-1)?1:currPic;
		eval('document.'+cOut.id+'.src="'+bilder[currPic]+'"');
		window.clearTimeout(aktivOut);
	}
	else
	{
		aktivOut=window.setTimeout('fadeOut()',30);		
	}
}


function fadeIn(_id,begin,end)
{
	ybegin = begin;
	yend = end;
	yid=_id;
	ybegin += 1;
	opazitaet(yid,ybegin);
	if (ybegin < yend)
	{
		window.setTimeout('fadeIn(yid,ybegin,yend)',100);
	}

}


function opazitaet(_id,v)
{
	if (browser == 5)
	{
		return;
	}
	if (browser == 1)
	{
		eval(_id+".filters.alpha.opacity="+v);	
	}
	if (browser == 6 || browser == 90)
	{
		document.getElementById(_id).style.opacity=v/100;
	}
}

function left(_str,_pos)
{return _str.substr(0,_pos)}

function setLink(){
if (fn > 5)
	fn = 1;
	document.images[jam].src = aChange[fn].src;
	fn = fn +1;
}