function open_graph(graph, width, height, name) {
 var win_x = (screen.width-width)/2;
 var win_y = (screen.height-height)/2;
 var param = "width="+width+",height="+height+",left="+win_x+",top="+win_y+",resizable=no";
 var winname = name.replace(/ /g,"");  // Leerzeichen entfernen
 winname = winname.replace(/-/g,"");   // Bindestriche entfernen
  
 var graphwindow = window.open("", winname, param);
 var html = '<html><head>'
 	+ '<title>' + name + '</title>'
	+ '<link rel="stylesheet" type="text/css" href="herz.css">'
	+ '</head><body>'
	+ '<div align=center><img src="' + graph + '" border="0"></div>'
	+ '</body></html>';
  
 with(graphwindow) {
    document.open();
    document.write(html);
    document.close();
    focus();
 }
}

function open_file(datei, width, height, name) {
 var win_x = (screen.width-width)/2;
 var win_y = (screen.height-height)/2;
 var param = "width="+width+",height="+height+",left="+win_x+",top="+win_y+",resizable=no";
 var winname = name.replace(/ /g,"");  // Leerzeichen entfernen
 winname = winname.replace(/-/g,"");   // Bindestriche entfernen
   	
 var filewindow = window.open(datei, winname, param);
 filewindow.focus();
}



