//var visible = false;
function toggle(element){
	var e = document.getElementById(element);
	
	var visible = e.style.display == "none" || e.style.display == "" ? false : true;
	
	if(visible){
		e.style.display = "none";
		//visible = false;
	}else{
		e.style.display = "block";
		//visible = true;
	}
}