/*****layer 01********/
function showlayer01Div() {

	var layer1 = document.getElementById("layer_back").style;	
	var layer2 = document.getElementById("layer01").style;	
	layer1.display = "block";
	layer1.zIndex = "1499";
	layer2.visibility = "visible";
	layer2.zIndex = "1500";
}
function hidelayer01Div() {

	var layer1 = document.getElementById("layer_back").style;	
	var layer2 = document.getElementById("layer01").style;	
	layer1.display = "none";
	layer2.visibility = "hidden";

}
/*****layer 02********/
function showlayer02Div() {

	var layer1 = document.getElementById("layer_back").style;	
	var layer2 = document.getElementById("layer02").style;	
	layer1.display = "block";
	layer1.zIndex = "1499";
	layer2.visibility = "visible";
	layer2.zIndex = "1500";
}
function hidelayer02Div() {

	var layer1 = document.getElementById("layer_back").style;	
	var layer2 = document.getElementById("layer02").style;	
	layer1.display = "none";
	layer2.visibility = "hidden";

}