//-------------------------------------------------------------------
// Function ZoomWindow for Insert ZoomWindow
//-------------------------------------------------------------------

function ZoomWindow(imageName,imageWidth,imageHeight,alt,bgcolor,hugger,hugMargin)
{
if (bgcolor=="")
{
bgcolor="#FFFFFF";
}
var adj=10, lift;
var w = screen.width;
var h = screen.height;
var byFactor=1;
if(w<740)
{
lift=0.90;
}
if(w>=740 & w<835)
{
lift=0.91;
}
if(w>=835){
lift=0.93;
}
if (imageWidth>w)
{
byFactor = w / imageWidth;
imageWidth = w;
imageHeight = imageHeight * byFactor;
}
if (imageHeight>h-adj)
{
byFactor = h / imageHeight;
imageWidth = (imageWidth * byFactor);
imageHeight = h;
}
var scrWidth = w-adj;
var scrHeight = (h*lift)-adj;
if (imageHeight>scrHeight)
{
imageHeight=imageHeight*lift;
imageWidth=imageWidth*lift;
}
var posLeft=0;
var posTop=0;
if (hugger == "hug image")
{
if (hugMargin == "")
{
hugMargin = 0;
}
var scrHeightTemp = imageHeight - 0 + 2*hugMargin;
if (scrHeightTemp < scrHeight)
{
scrHeight = scrHeightTemp;
}
var scrWidthTemp = imageWidth - 0 + 2*hugMargin;
if (scrWidthTemp < scrWidth)
{
scrWidth = scrWidthTemp;
}
if (scrHeight<100)
{
scrHeight=100;
}
if (scrWidth<100)
{
scrWidth=100;
}
posTop =  ((h-(scrHeight/lift)-adj)/2);
posLeft = ((w-(scrWidth)-adj)/2);
}
if (imageHeight > (h*lift)-adj || imageWidth > w-adj)
{
imageHeight=imageHeight-adj;
imageWidth=imageWidth-adj;
}
var agt=navigator.userAgent.toLowerCase();
if (agt.indexOf("opera") != -1)
{
var args= new Array();
args[0]='parent';
args[1]=imageName;
var i ; document.MM_returnValue = false;
for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
else
{
fenster = window.open("leer.htm","fenster","width="+scrWidth+",height="+scrHeight+",left="+posLeft+",top="+posTop);
fenster.document.open();
fenster.document.write('<html><head><title>'+alt+'</title></head><body leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" bgcolor='+bgcolor+' onBlur="self.close()" onClick="self.close()">');
fenster.document.write('<table width='+imageWidth+' border="0" cellspacing="0" cellpadding="0" align="center" height='+scrHeight+' ><tr><td>');
fenster.document.write('<img src="'+imageName+'" width='+imageWidth+' height='+imageHeight+' alt="Schließen">');
fenster.document.write('</td></tr></table></body></html>');
fenster.document.close();
fenster.focus();
}
}