function toggleDisplay(showType,hideType,officiantId) {
	
	var divS = document.getElementById(showType+"_"+officiantId);
	var divH = document.getElementById(hideType+"_"+officiantId);
	
	switch(showType){
		case "souvenirs":
			var h4S = document.getElementById("sh4_"+officiantId);
			var h4G = document.getElementById("gh4_"+officiantId);
		break;
		case "giving":
			var h4S = document.getElementById("gh4_"+officiantId);
			var h4G = document.getElementById("sh4_"+officiantId);
		break;
	}
		//if the clicked layer is already visible, hide it
	if(divS.style.display == "block"){
		divS.style.display = "none";
		h4S.className = "plus";
		return null;
	}

	// if hide is already hidden, keep it hidden
	divH.style.display = "none";
	divS.style.display = "block";
	h4S.className = "minus";
	h4G.className = "plus";

	}