//	openWindow()
//
//	Arguments:
//	- uri (required):			uri to be opened
//	- windowName (optional):	name of browser window
//	- windowStyle (optional):	style of browser window (as string)
//
//	what:	opens a new browser window
//	note:	this function provides same functionality as target="_blank"
//			as long as windowStyle is empty: ''
function openWindow(uri,windowName,windowStyle){
	if (windowName == '') windowName = 'newWindow';
	if (typeof(thisWindow) != ('undefined')) thisWindow.close();
	thisWindow = window.open(uri,windowName,windowStyle);
	setTimeout('thisWindow.focus()',100);
}