function OpenWindow(str_url, str_name, int_width, int_height ) {
	var winX = (screen.width - int_width) / 2;
	var winY = (screen.height - int_height) / 2;
	str_WinParams = 'height=' + int_height +',width=' + int_width + ',top=' + winY+',left=' + winX + ',menubar=0,toolbar=0,scrollbars=0,resizable=0,status=1,toolbar=0,location=0';
	win = window.open(str_url, str_name, str_WinParams);
	if ((parseInt(navigator.appVersion) >= 4)|| (navigator.appName = 'Netscape')) { win.window.focus(); }
}