function FensterOeffnen (Adresse) {
  MeinFenster = window.open(Adresse, "Zweitfenster", "width=800,height=600,left=100,top=200");
  MeinFenster.focus();
}


function setOpacity( element, alpha ) {
	var style = element.style;
	if( style.MozOpacity != undefined ) { //Moz and older
		style.MozOpacity = alpha;
		
	
	}
	else if( style.opacity != undefined ) { //Opera
		style.opacity = alpha;
		
	}
	else if( style.filter != undefined ) { //IE
		style.filter = "alpha(opacity=0)";
		element.filters.alpha.opacity = ( alpha * 100 );
			
		
	}
	
}

function blackbox()
{
	document.getElementById("biggray").style.display = "";
	//biggray.style.display = "";
	setOpacity(biggray,0.7);
	
	var x,y;
var test1 = document.body.scrollHeight;
var test2 = document.body.offsetHeight
if (test1 > test2) // all but Explorer Mac
{
	x = document.body.scrollWidth;
	y = document.body.scrollHeight;
}
else // Explorer Mac;
     //would also work in Explorer 6 Strict, Mozilla and Safari
{
	x = document.body.offsetWidth;
	y = document.body.offsetHeight;
}
	
	biggray.style.width = x;
	biggray.style.height = y;
}

function showpic(y,b,h) 
{ 

blackbox();

var breite,hoehe,yoffset;
if (self.innerHeight) // all except Explorer
{
	breite = self.innerWidth;
	hoehe = self.innerHeight;
	yoffset = self.pageYOffset;
}
else if (document.documentElement && document.documentElement.clientHeight)
	// Explorer 6 Strict Mode
{
	breite = document.documentElement.clientWidth;
	hoehe = document.documentElement.clientHeight;
	yoffset = document.documentElement.scrollTop;
}
else if (document.body) // other Explorers
{
	breite = document.body.clientWidth;
	hoehe = document.body.clientHeight;
	yoffset = document.body.scrollTop;
}
	
var l = (breite - b) / 2;
var t = (hoehe - h) / 2 + yoffset;
document.getElementById("pic").style.width = parseInt(b)+20;
document.getElementById("pic").style.height = parseInt(h)+60;

document.getElementById("pic").style.display = "";
document.getElementById("pic").style.top = t;
document.getElementById("pic").style.left = l;
var pixname = new String(y);
document.getElementById("jspix").src = pixname;
}

function closethis()
{
document.getElementById("jspix").src = "";
document.getElementById("pic").style.display = "none";
document.getElementById("biggray").style.display = "none";
}