function NewWindow(mypage,myname,w,h,scroll,pos){
	if (pos=="random") {
		LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
		TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
	}
	if (pos=="center"){
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
	} else if ((pos!="center" && pos!="random") || pos==null) {
		LeftPosition=0;TopPosition=20
	}
	settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win=window.open(mypage,myname,settings);
}

function closeWindow() {
	opener.location.reload(true);
	self.close(); 
}

function confirmorcancel(url) {
	confirmed = confirm("Remove this person from the course?");
	if (confirmed) {
		window.location.replace(url);	
	} else {
		return;
	}
}