function toggleDiv(id){
	var element = document.getElementById(id);
	if(typeof(element) != "undefined") {
		if (element.style.display == "")
			element.style.display = "none";
		else
			element.style.display = "";
	}	
}

function show(id){
	var element = document.getElementById(id);
	if(typeof(element) != "undefined")
		element.style.display = "";
}

function hide(id){
	var element = document.getElementById(id);
	if(typeof(element) != "undefined")
		element.style.display = "none";
}