function opWin(vURL, vWidth, vHeight) {
    
	var left = 10;
    var top = 10;
	
    var windowFeatures = "width=" + vWidth + ",height=" + vHeight + 
        ",status,resizable,left=" + left + ",top=" + top + 
        "screenX=" + left + ",screenY=" + top + ",scrollbars=yes";
		
    myWindow = window.open(vURL, "subWind", windowFeatures);
}