function onPopup()
{
	var winName = "";
	var winURL = "";
	var winWidth = 640;
	var winHeight = 480;
	var winTop = 0;
	var winLeft = 0;
	var menubar = 0;
	var toolbar = 0;
	for (var i = 0; i < arguments.length; i++) {
		switch (i) {
		case 0:
			winName = arguments[i];
			break;
		case 1:
			winURL = arguments[i];
			break;
		case 2:
			if (arguments[i] > 0) {
				winWidth = arguments[i];
			}
			if (winWidth < 100) {
				winWidth = 100;
			}
			break;
		case 3:
			if (arguments[i] > 0) {
				winHeight = arguments[i];
			}
			if (winHeight < 100) {
				winHeight = 100;
			}
			break;
		case 4:
			winTop = arguments[i];
			break;
		case 5:
			winLeft = arguments[i];
			break;
		case 6:
			menubar = arguments[i];
			break;
		case 7:
			toolbar = arguments[i];
			break;
		}
	}
	winTop = (screen.height - winHeight) / 2 + winTop;
	winLeft = (screen.width - winWidth) / 2 + winLeft;
	var strURL = new String(winURL);
	if (strURL.indexOf(".php") > 0) {
		if (strURL.indexOf("?") > 0) {
			winURL = winURL + "&window=" + winName;
		} else {
			winURL = winURL + "?window=" + winName;
		}
	}
	var winOptions = "width=" + winWidth + ",height=" + winHeight + ",top=" + winTop +
		",left=" + winLeft + ",menubar=" + menubar + ",toolbar=" + toolbar +
		",scrollbars=1";
	newWin = window.open(winURL, winName, winOptions);
	newWin.focus();
}