var logShowHide = 0

function showhide(showhich){

	for(i = 1; i < 7; i++){
		document.getElementById('expeditions' + i + 'Box').style.display = 'none'
		document.getElementById('arrow'+i).src = 'images/content/next.gif'
	}
	
	if(logShowHide != showhich){
		document.getElementById('expeditions' + showhich + 'Box').style.display = 'block'
		document.getElementById('arrow'+showhich).src = 'images/content/down.gif'
		logShowHide = showhich
	}else{
		logShowHide = 0
	}
	
}