function popUp(URL, w, h, windowName, bUseScrollbars, bResizable) {
	day = new Date();
	id = day.getTime();
	var sScrollbars;
	var sResizable;
	var sWindowOptions = new String("toolbar=0,");

	if (bUseScrollbars == true){
		sScrollbars = "scrollbars=yes,";
	}else{
		sScrollbars = "scrollbars=0,";
	}
	if (bResizable == true){
		sResizable = "resizable=yes,";
	}else{
		sResizable = "resizable=0,";
	}
	sWindowOptions += sScrollbars + sResizable + "fullscreen=no,location=0,statusbar=0,status=no,menubar=0,directories=no,";
	try {
		l = (screen.Width - w) / 2;
		if (l < 0 || l > 1400) {
			l = 100
		}
	}
	catch (e) {
		l = 100;
	}
		
	try {
		t = (screen.Height - h) / 2;
		if (t < 0 || t > 1000) {
			t = 100
		}
	}
	catch (e) {
		t = 100;
	}

	if (windowName.length <= 0){
		eval("page" + id + " = window.open(URL, '" + id + "', '" + sWindowOptions + ",width=" + w + ",height=" + h + ",left=" + l + ",top=" + t + "');");
	}
	else{
		eval(windowName + " = window.open(URL, '" + id + "', '" + sWindowOptions + ", width=" + w + ",height=" + h + ",left=" + l + ",top=" + t + "');");
	}
}

function isEmail(aStr)
	{
		var reEmail=/^[0-9a-zA-Z_\.-]+\@[0-9a-zA-Z_\.-]+\.[0-9a-zA-Z_\.-]+$/;
		if(!reEmail.test(aStr))
			{
				return false;
			}
		return true;
	}
function validName(aStr)
	{
		var reName=/^[a-zA-Z]+$/;
		if(!reName.test(aStr))
			{
				return false;
			}
		return true;
	}