function toggleMoreSNS(ev){
	var el = document.getElementById("moreSNS");
	var ev = ev || window.event;
	if(!el) return;
	
	if(el.style.display == "block"){
		el.style.display="none";
		if(clickBodyControl){
			if(!!document.body.removeEventListener){
				ev.stopPropagation();
				document.body.removeEventListener("click", closeSNSLayer, false);
			}else{
				ev.cancelBubble = true;
				document.body.detachEvent("onclick", closeSNSLayer);
			}
		}
	}else {
		el.style.display="block";
		if(!!document.body.addEventListener){
			ev.stopPropagation();
			var clickBodyControl = document.body.addEventListener("click", closeSNSLayer, false);	
		} else if(!!document.body.attachEvent){
			ev.cancelBubble = true;
			var clickBodyControl = document.body.attachEvent("onclick", closeSNSLayer);
		}
	}
}