function detail(url) {
	var wWidth = window.screen.availWidth;
	var wHeight = window.screen.availHeight;
	var xpos, ypos = 0;
	var w = 780, h = 680;
	var popupPage = "";
  
	if(wWidth > w) xpos = (wWidth - w)/2;
	if(wHeight > h) ypos = (wHeight - h)/2;

	window.open(url, "detail", "width=" + w + ", height=" + h + ", scrollbars=yes, resizable=yes, top=" + ypos + ", left=" + xpos);
	return false;
}