function opencourse(x){
	window.open('/courses/coursemain.aspx?unitid='+x,'course','fullscreen=yes')
}

function opengame(x){
	window.open('/game/opengame1.aspx?gid='+x,'course','fullscreen=yes')
}

function openwin(url,w,p){
	window.open(url,w,p)
}