WindowName = "print"
Width = 640;
Height = 480;
//--- check for browser
IE = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ));
//
NS = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 ));
//--- open pop-up window

function popup(PageToLoad) 
{ 
	var xposition=0; yposition=0;
//

	PageToLoad="print_versions/" + PageToLoad;
        
	xposition = (screen.width - Width) / 2;
	yposition = (screen.height - Height) / 2;
//
	Args = 	"width="  + Width + "," 
	+ "height=" + Height + "," 
	+ "location=no," 
	+ "menubar=no,"
	+ "resizable=no,"
	+ "scrollbars=yes,"
	+ "status=no," 
	+ "titlebar=no,"
	+ "toolbar=no,"
	+ "hotkeys=no,";
//
	if (IE) Args = Args	+ 	"left=" + xposition + ","
	+	"top=" + yposition;
//
	if (NS) Args = Args 	+	"screenx=" + xposition + ","
	+	"screeny=" + yposition;
//
//--- open window
	window.open(PageToLoad, WindowName, Args);

}

function show_text(filename) 
{ 

WindowName = "text"
Width = 640;
Height = 480;
//--- check for browser
IE = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ));
//
NS = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 ));
//--- open pop-up window

	var xposition=0; yposition=0;
//
    PageToLoad = filename;
	
	xposition = (screen.width - Width) / 2;
	yposition = (screen.height - Height) / 2;
//
	Args = 	"width="  + Width + "," 
	+ "height=" + Height + "," 
	+ "location=no," 
	+ "menubar=no,"
	+ "resizable=no,"
	+ "scrollbars=yes,"
	+ "status=no," 
	+ "titlebar=no,"
	+ "toolbar=no,"
	+ "hotkeys=no,";
//
	if (IE) Args = Args	+ 	"left=" + xposition + ","
	+	"top=" + yposition;
//
	if (NS) Args = Args 	+	"screenx=" + xposition + ","
	+	"screeny=" + yposition;
//
//--- open window
	window.open(PageToLoad, WindowName, Args);
}