var lay_load_flg = false;

function lay_init() {
  mLayer('Smenu01',0);
  mLayer('Smenu02',92);
  mLayer('Smenu03',184);
  mLayer('Smenu04',277);
  mLayer('Smenu05',369);
  mLayer('Smenu06',462);
  mLayer('Layerbase',0);
  mLayer('Layerbase2',0);
  lay_load_flg = true;

}
var ln_ar = new Array("Smenu01","Smenu02","Smenu03","Smenu04","Smenu05","Smenu06");

//レイヤー表示・非表示
function ShowHideLayers(){
	var obj,SHOWHIDE,args=ShowHideLayers.arguments;
	for (i=0; i<(args.length-1); i+=2){
	  if (document.all){obj=document.all(args[i])}   //IE
	  else if (document.layers){obj=document.layers[args[i]]}   //N4
	       else if (document.getElementById){obj=document.getElementById(args[i])}   //N6  
	       SHOWHIDE=args[i+1];
	       if (obj.style) { 
	         obj=obj.style;
	       SHOWHIDE=(SHOWHIDE=='show')?'visible':(SHOWHIDE='hide')?'hidden':SHOWHIDE; 
	       }
	  obj.visibility=SHOWHIDE;
	}
}
//レイヤー表示コントロール
function layer_ctl(n) {
  if(lay_load_flg==true){
    for (ii = 0; ii < ln_ar.length; ii++) {
      if (ii == n && n != 99) {
        ShowHideLayers(ln_ar[ii],'show');
        ShowHideLayers('Layerbase','show');
        ShowHideLayers('Layerbase2','show');
      } else {
        ShowHideLayers(ln_ar[ii],'hide');
      }
    }
  }
  return true;
}

//位置決定
function mLayer(lname,layer_left) {
	  var obj;
	  if (document.all){   //IE
	      obj=document.all(lname);
	      var window_size=document.body.clientWidth;
	  } else if (document.layers){   //N4
	      obj=document.layers[lname];
	      var window_size=window.innerWidth;
	      window_size=window_size-16;  //（16=外枠分）
	  } else if (document.getElementById){   //N6
	      obj=document.getElementById(lname);
	      var window_size=window.innerWidth;
	      window_size=window_size-16;  //（16=外枠分）
	  }

	  if (obj.style) {
	      obj=obj.style;
	      if (obj.left=="") {obj.left=layer_left;}
	  }

	var html_size=555;//HTMLの実際のサイズ
	//HTMLの実際のサイズより大きければ位置を再設定
	if (window_size > html_size) {
		var lno = (window_size-html_size)/2;
		//if (document.layers) {lno=lno-8;}
		obj.left = layer_left+lno;
	}

}

//リサイズした時用
function resize(){
	location.reload();
}