// global variable
var infowin='';

function popUpWin (url, W, H, L, T) {
	var WIDTH = W || 600;
	var HEIGHT = H || 400;
	var LEFT = (screen.width-WIDTH)/2;
	var TOP = (screen.height-HEIGHT)/2;
	
	var WINFEATURE = "toolbar=no,resizable=no,scrollbars=no,menubar=no,status=no,left=" + LEFT + ",top=" + TOP;
	
	if (!infowin)
		infowin = window.open(url, "infowin", "width=" + WIDTH + ",height=" + HEIGHT + ',' + WINFEATURE);
	else {
		if (!infowin.closed){
			infowin.close();
		}
		infowin = window.open(url, "infowin", "width=" + WIDTH + ",height=" + HEIGHT + ',' + WINFEATURE);
	}
}

function popUpWin2 (url, W, H, L, T) {
	var WIDTH = W || 600;
	var HEIGHT = H || 400;
	var LEFT = (screen.width-WIDTH)/2;
	var TOP = (screen.height-HEIGHT)/2;
	
	var WINFEATURE = "toolbar=no,resizable=no,scrollbars=yes,menubar=no,status=no,left=" + LEFT + ",top=" + TOP;
	
	if (!infowin)
		infowin = window.open(url, "infowin", "width=" + WIDTH + ",height=" + HEIGHT + ',' + WINFEATURE);
	else {
		if (!infowin.closed){
			infowin.close();
		}
		infowin = window.open(url, "infowin", "width=" + WIDTH + ",height=" + HEIGHT + ',' + WINFEATURE);
	}
}