var lastbodyid = "";
var lastlink = "";

function expander(link,bodyid){

	if (lastbodyid=="") {
		
		Effect.BlindDown(bodyid);
		$(link).innerHTML = 'hide';
		lastbodyid = bodyid;
		lastlink = link;

	} else {
		
		if (bodyid==lastbodyid){
			
			lastbodyid = "";
			lastlink = "";
			Effect.BlindUp(bodyid);
			$(link).innerHTML = 'show more...';
		}else{
			
			Effect.BlindDown(bodyid);
			$(link).innerHTML = 'hide';
			
		}
	}	
}