function showGlossary(url)
{
	LeftPosition = (screen.width) ? (screen.width-250)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-400)/2 : 0;
	settings = 'height=250,width=400,top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,resizable'
	win = window.open(url,"Glossar",settings);
}