var ChildWindow = window;
var ChildWindowName = "";

function OpenChildWindow(URL,windowname,scrollbars,width,height,level) {
		leftPos = 0;
		topPos = 0;
		if (screen){
			if (level == 1) {
				leftPos = screen.width - width - 20
				}
			else {
				topPos = screen.height - height - 150
			}	
		}
		ChildWindow = window.open(URL,windowname,'toolbar=NO,location=NO,directories=NO,status=NO,menubar=YES,scrollbars=' + scrollbars + ',resizable=YES,copyhistory=NO,width=' + width + ',height=' + height + ',left=' + leftPos + ',top=' + topPos);
		ChildWindowName = windowname
		ChildWindow.focus();
}

function CloseWindow(){
		ChildWindow.close();
		window.self.close();
}

function CloseChild(URL){
	if ((ChildWindowName != "") && !(ChildWindow.closed)) {
		ChildWindow.close();
	}	
		window.location = URL;
}

function popup(URL,windowname,scrollbars,width,height) {
	newwindow = window.open(URL,windowname,'toolbar=NO,location=NO,directories=NO,status=NO,menubar=YES,scrollbars=' + scrollbars + ',resizable=YES,copyhistory=NO,width=' + width + ',height=' + height);
	newwindow.focus()
}