// Window opener functions  v1.0.6// documentation: http://www.dithered.com/javascript/window/index.html// license: http://creativecommons.org/licenses/by/1.0/// code by Chris Nott (chris[at]dithered[dot]com)/*******************************************************************************	Popup Window openers*******************************************************************************/var winReference = null;// Open a window at a given position on the screenfunction openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName) {		// ie 4.5 and 5.0 mac - windows are 2 pixels too short; if a statusbar is used, the window will be an additional 15 pixels short	var agent = navigator.userAgent.toLowerCase();	if (agent.indexOf("mac") != -1 && agent.indexOf("msie") != -1 && (agent.indexOf("msie 4") != -1 || agent.indexOf("msie 5.0") != -1) ) {		height += (status) ? 17 : 2;	}	// Adjust width if scrollbars are used (pc places scrollbars inside the content area; mac outside) 	width += (scrollbars != '' && scrollbars != null && agent.indexOf("mac") == -1) ? 16 : 0;	var properties = 'width=' + width + ',height=' + height + ',screenX=' + x + ',screenY=' + y + ',left=' + x + ',top=' + y + ',status' + ((status) ? '' : '=0') + ',scrollbars' + ((scrollbars) ? '' : '=0') + ((moreProperties) ? ',' + moreProperties : '');	var reference = openWindow(url, name, properties, openerName);		// resize window in ie if we can resize in ns; very messy	// commented out because openPositionedWindow() doesn't set the resizable attribute	// left in for reference	/*if (resizable && agent.indexOf("msie") != -1) {		if (agent.indexOf("mac") != -1) {			height += (status) ? 15 : 2;			if (parseFloat(navigator.appVersion) > 5) width -= 11;		}		else {			height += (status) ? 49 : 31;			width += 13;		}		setTimeout('if (reference != null && !reference.closed) reference.resizeTo(' + width + ',' + height + ');', 150);	}*/	return reference;}// Open a window at the center of the screenfunction openCenteredWindow(url, name, width, height, status, scrollbars, moreProperties, openerName) {	var x, y = 0;	if (screen) {      x = (screen.availWidth - width) / 2;	   y = (screen.availHeight - height) / 2;   }	if (!status) status = '';	if (!openerName) openerName = '';	var reference = openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName);	return reference;}	// Open a window at the center of the parent windowfunction openCenteredOnOpenerWindow(url, name, width, height, status, scrollbars, moreProperties, openerName) {	var centerX = 0;   var centerY = 0;   if (window.screenX != null && window.outerWidth) {      centerX = window.screenX + (window.outerWidth / 2);      centerY = window.screenY + (window.outerHeight / 2);   }   else if (window.screenLeft) {      if (document.documentElement) {         centerX = window.screenLeft + (document.documentElement.offsetWidth / 2);         centerY = window.screenTop + (document.documentElement.offsetHeight / 2);      }      else if (document.body && document.body.offsetWidth) {         centerX = window.screenLeft + (document.body.offsetWidth / 2);         centerY = window.screenTop + (document.body.offsetHeight / 2);      }   }      if (centerX == 0) {      openCenteredWindow(url, name, width, height, status, scrollbars, moreProperties, openerName);   }   var x = parseInt(centerX - (width / 2));   var y = parseInt(centerY - (height / 2));	if (!status) status = '';	if (!openerName) openerName = '';	var reference = openPositionedWindow(url, name, width, height, x, y, status, scrollbars, moreProperties, openerName);	//return reference;}	// Open a full-screen window (different from IE's fullscreen option)function openMaxedWindow(url, name, scrollbars, openerName) {	var x, y = 0;	var width  = 600;	var height = 800;	if (screen) {      if (screen.availLeft) {         x = screen.availLeft;         y = screen.availTop;      }      width  = screen.availWidth - 6;	   height = screen.availHeight - 29;   }	var reference = openPositionedWindow(url, name, width, height, x, y, false, scrollbars, openerName);	return reference;}// Open a full-chrome (all GUI elements) window// This is like using a target="_blank" in a normal link but allows focussing the windowfunction openFullChromeWindow(url, name, openerName) {	return openWindow(url, name, 'directories,location,menubar,resizable,scrollbars,status,toolbar');}// Open a sized full-chrome (all GUI elements) window function openSizedFullChromeWindow(url, name, width, height, openerName) {	return openCenteredWindow(url, name, width, height, true, true, 'directories,location,menubar,resizable,toolbar', openerName)}// Core utility function that actually creates the window and gives focus to itfunction openWindow(url, name, properties, openerName) {	// ie4.x pc can't give focus to windows containing documents from a different domain	// in this case, initially load a local interstisial page to allow focussing before loading final url	var agent = navigator.userAgent.toLowerCase();	if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) == 4 && agent.indexOf("msie 5") == -1 && agent.indexOf("msie5") == -1 && agent.indexOf("win") != -1 && url.indexOf('http://') == 0) {		winReference = window.open('about:blank', name, properties);				setTimeout('if (winReference && !winReference.closed) winReference.location.replace("' + url + '")', 300);	}	else {		winReference = window.open(url, name, properties);	}	// ie doesn't like giving focus immediately (to new window in 4.5 on mac; to existing ones in 5 on pc)	setTimeout('if (winReference && !winReference.closed) winReference.focus()', 200);		if (openerName) self.name = openerName;	return winReference;}/*******************************************************************************	Modal Dialog controls*******************************************************************************/// Close a dialog// Call from onunload event handler of any page that can create a dialogfunction closeDialog(dialog) {	if (dialog && dialog.closed != true) dialog.close();}// Close parent popup// Call from onload event handler of any page that could be created from a dialogfunction closeParentDialog() {	if (top.opener && isWindowPopup(top.opener)) {		root = top.opener.top.opener;		top.opener.close();		top.opener = root;	}}// Check if a window is a popupfunction isWindowPopup(win) {	return ((win.opener) ? true : false);}