function n_window(theurl,title,atts,resizable,scrollbars,value,checkval,key) {
    if (resizable==1) {
	atts+=",resizable=yes";
    }
    if (scrollbars==1) {
	atts+=",scrollbars=yes";
    }
    if ( checkval != '' && value == '' ) {
	alert( 'Kein Wert eingeben!' );
	return;
    }
    if (value != '' ) {
	if ( theurl.indexOf( '?' ) > -1 ) {
	    theurl += "&val=" + escape(value);
	}
	else {
	    theurl += "?val=" + escape(value);
	}
	if ( key != '' ) {
	    theurl += "&key=" + escape(key);
	}
    }
    else {
	if ( theurl.indexOf( '?' ) > -1 ) {
	    theurl += "&key=" + escape(key);
	}
	else {
	    theurl += "?key=" + escape(key);
	}
    }
    // set the width and height
    var the_width=200;
    var the_height=200;
    // set window position
    var from_top=20;
    var from_left=20;
    // set other attributes
    var has_toolbar='no';
    var has_location='no';
    var has_directories='no';
    var has_status='no';
    var has_menubar='no';
    var has_scrollbars='yes';
    var is_resizable='no';
    // attributes put together
    var the_atts='width='+the_width+',height='+the_height+',top='+from_top+',screenY='+from_top+',left='+from_left+',screenX='+from_left;
    the_atts+=',toolbar='+has_toolbar+',location='+has_location+',directories='+has_directories+',status='+has_status;
    the_atts+=',menubar='+has_menubar+',scrollbars='+has_scrollbars+',resizable='+is_resizable;
    // open window
    newwin=window.open(theurl,title,atts);
    if (newwin != null) {
	newwin.focus();
    }
}