// Function ViewImage ---------------------------------------------------------
// www.web-toolbox.net , W. Jansen
// Übergabeparameter: bildquelle,breite,höhe,bildtitel
// hand over parameters: imagesource,width,height,title

function ViewImage(bildurl,b,h,bildtitel)
{
	var eigenschaft,sbreite,shoehe,fenster,b,h;

	// stellt die Bildschirmabmessungen fest
	var ns6 = (!document.all && document.getElementById);
	var ie4 = (document.all);
	var ns4 = (document.layers);

	if(ns6||ns4) {
		sbreite = innerWidth;
		shoehe = innerHeight;
	}
	else if(ie4) {
		sbreite = document.body.clientWidth;
		shoehe = document.body.clientHeight;
	}

	x = (sbreite-b)/2;
	y = (shoehe-h)/2;

	eigenschaften="left="+x+",top="+y+",screenX="+x+",screenY="+y+",width="+b+",height="+h+",menubar=no,toolbar=no";

	fenster=window.open("","",eigenschaften);
	fenster.focus();
	fenster.document.open();
	with (fenster) {
		document.write('<html><head>');
//		document.write("<script type='text/javascript' language='JavaScript'>");
//		document.write("function click() { window.close(); } ");  // bei click  schliessen
//		document.write("document.onmousedown=click ");
//		document.write("</script>");
		document.write('<title>'+ bildtitel +'</title></head>');
		document.write('<body bgcolor="#000000" onblur="window.close()" '); // bei Focusverlust schliessen
		document.write('marginwidth="0" marginheight="0" leftmargin="0" topmargin="0">');
		document.write('<center>');
		document.write('<img src="'+ bildurl +'"border="0">');
		document.write('</center>');
		document.write('</body></html>');
		fenster.document.close();
	}
}
// End of Function ViewImage ----------------------------
