/* ______________________________________________________________________

	Show Layer Setting

   ______________________________________________________________________ */

	var layName1 = "contents01";

	var layName2 = "contents02";

	var layName3 = "contents03";

	var layName4 = "contents04";

	var layName5 = "contents05";

	var layName6 = "clear";

	var layName7 = "sform";

//______________________________________________________________________



	var ie= !!document.all;

	var n4= !!document.layers;

	var w3c=!!document.getElementById;

	var mac45 = navigator.userAgent.indexOf('MSIE 4.5; Mac_PowerPC');





	function chLayer(call){	//レイヤーの表示切り替え

		if(call == "contents01"){

			if(document.getElementById){
				document.getElementById(layName1).style.visibility = 'visible';
				document.getElementById(layName2).style.visibility = 'hidden';
				document.getElementById(layName3).style.visibility = 'hidden';
				document.getElementById(layName4).style.visibility = 'hidden';
				document.getElementById(layName5).style.visibility = 'hidden';
				document.getElementById(layName6).style.visibility = 'visible';
				document.getElementById(layName7).style.visibility = 'visible';
			}else if (document.all){
				document.all[layName1].style.visibility = 'visible';
				document.all[layName2].style.visibility = 'hidden';
				document.all[layName3].style.visibility = 'hidden';
				document.all[layName4].style.visibility = 'hidden';
				document.all[layName5].style.visibility = 'hidden';
				document.all[layName6].style.visibility = 'visible';
				document.all[layName7].style.visibility = 'visible';
			}else{
				document.layers[layName1].visibility = 'visible';
				document.layers[layName2].visibility = 'hidden';
				document.layers[layName3].visibility = 'hidden';
				document.layers[layName4].visibility = 'hidden';
				document.layers[layName5].visibility = 'hidden';
				document.layers[layName6].visibility = 'visible';
				document.layers[layName7].visibility = 'visible';
			}

			

		}else if(call == "contents02"){
			if(document.getElementById){
				document.getElementById(layName1).style.visibility = 'hidden';
				document.getElementById(layName2).style.visibility = 'visible';
				document.getElementById(layName3).style.visibility = 'hidden';
				document.getElementById(layName4).style.visibility = 'hidden';
				document.getElementById(layName5).style.visibility = 'hidden';
				document.getElementById(layName6).style.visibility = 'visible';
				document.getElementById(layName7).style.visibility = 'visible';
			}else if (document.all){
				document.all[layName1].style.visibility = 'hidden';
				document.all[layName2].style.visibility = 'visible';
				document.all[layName3].style.visibility = 'hidden';
				document.all[layName4].style.visibility = 'hidden';
				document.all[layName5].style.visibility = 'hidden';
				document.all[layName6].style.visibility = 'visible';
				document.all[layName7].style.visibility = 'visible';
			}else{
				document.layers[layName1].visibility = 'hidden';
				document.layers[layName2].visibility = 'visible';
				document.layers[layName3].visibility = 'hidden';
				document.layers[layName4].visibility = 'hidden';
				document.layers[layName5].visibility = 'hidden';
				document.layers[layName6].visibility = 'visible';
				document.layers[layName7].visibility = 'visible';
			}
			
		}else if(call == "contents03"){
			if(document.getElementById){
				document.getElementById(layName1).style.visibility = 'hidden';
				document.getElementById(layName2).style.visibility = 'hidden';
				document.getElementById(layName3).style.visibility = 'visible';
				document.getElementById(layName4).style.visibility = 'hidden';
				document.getElementById(layName5).style.visibility = 'hidden';
				document.getElementById(layName6).style.visibility = 'visible';
				document.getElementById(layName7).style.visibility = 'visible';
			}else if (document.all){
				document.all[layName1].style.visibility = 'hidden';
				document.all[layName2].style.visibility = 'hidden';
				document.all[layName3].style.visibility = 'visible';
				document.all[layName4].style.visibility = 'hidden';
				document.all[layName5].style.visibility = 'hidden';
				document.all[layName6].style.visibility = 'visible';
				document.all[layName7].style.visibility = 'visible';
			}else{
				document.layers[layName1].visibility = 'hidden';
				document.layers[layName2].visibility = 'hidden';
				document.layers[layName3].visibility = 'visible';
				document.layers[layName4].visibility = 'hidden';
				document.layers[layName5].visibility = 'hidden';
				document.layers[layName6].visibility = 'visible';
				document.layers[layName7].visibility = 'visible';
			}
			
			
			}else if(call == "contents04"){
			if(document.getElementById){
				document.getElementById(layName1).style.visibility = 'hidden';
				document.getElementById(layName2).style.visibility = 'hidden';
				document.getElementById(layName3).style.visibility = 'hidden';
				document.getElementById(layName4).style.visibility = 'visible';
				document.getElementById(layName5).style.visibility = 'hidden';
				document.getElementById(layName6).style.visibility = 'visible';
				document.getElementById(layName7).style.visibility = 'hidden';
			}else if (document.all){
				document.all[layName1].style.visibility = 'hidden';
				document.all[layName2].style.visibility = 'hidden';
				document.all[layName3].style.visibility = 'hidden';
				document.all[layName4].style.visibility = 'visible';
				document.all[layName5].style.visibility = 'hidden';
				document.all[layName6].style.visibility = 'visible';
				document.all[layName7].style.visibility = 'hidden';
			}else{
				document.layers[layName1].visibility = 'hidden';
				document.layers[layName2].visibility = 'hidden';
				document.layers[layName3].visibility = 'hidden';
				document.layers[layName4].visibility = 'visible';
				document.layers[layName5].visibility = 'hidden';
				document.layers[layName6].visibility = 'visible';
				document.layers[layName7].visibility = 'hidden';
			}
			
			}else if(call == "contents05"){
			if(document.getElementById){
				document.getElementById(layName1).style.visibility = 'hidden';
				document.getElementById(layName2).style.visibility = 'hidden';
				document.getElementById(layName3).style.visibility = 'hidden';
				document.getElementById(layName4).style.visibility = 'hidden';
				document.getElementById(layName5).style.visibility = 'visible';
				document.getElementById(layName6).style.visibility = 'visible';
				document.getElementById(layName7).style.visibility = 'hidden';
			}else if (document.all){
				document.all[layName1].style.visibility = 'hidden';
				document.all[layName2].style.visibility = 'hidden';
				document.all[layName3].style.visibility = 'hidden';
				document.all[layName4].style.visibility = 'hidden';
				document.all[layName5].style.visibility = 'visible';
				document.all[layName6].style.visibility = 'visible';
				document.all[layName7].style.visibility = 'hidden';
			}else{
				document.layers[layName1].visibility = 'hidden';
				document.layers[layName2].visibility = 'hidden';
				document.layers[layName3].visibility = 'hidden';
				document.layers[layName4].visibility = 'hidden';
				document.layers[layName5].visibility = 'visible';
				document.layers[layName6].visibility = 'visible';
				document.layers[layName7].visibility = 'hidden';
			}

		} else {
			if(document.getElementById){
				document.getElementById(layName1).style.visibility = 'hidden';
				document.getElementById(layName2).style.visibility = 'hidden';
				document.getElementById(layName3).style.visibility = 'hidden';
				document.getElementById(layName4).style.visibility = 'hidden';
				document.getElementById(layName5).style.visibility = 'hidden';
				document.getElementById(layName6).style.visibility = 'hidden';
				document.getElementById(layName7).style.visibility = 'visible';

			}else if (document.all){
				document.all[layName1].style.visibility = 'hidden';
				document.all[layName2].style.visibility = 'hidden';
				document.all[layName3].style.visibility = 'hidden';
				document.all[layName4].style.visibility = 'hidden';
				document.all[layName5].style.visibility = 'hidden';
				document.all[layName6].style.visibility = 'hidden';
				document.all[layName7].style.visibility = 'visible';

			}else{
				document.layers[layName1].visibility = 'hidden';
				document.layers[layName2].visibility = 'hidden';
				document.layers[layName3].visibility = 'hidden';
				document.layers[layName4].visibility = 'hidden';
				document.layers[layName5].visibility = 'hidden';
				document.layers[layName6].visibility = 'hidden';
				document.layers[layName7].visibility = 'visible';
			}

		}

	}