function loadimg(imgname){ if (document.images) (new Image()).src = imgname;}//画像を読み込む
function getMouseX(e){//マウスX座標取得
  if(window.opera) return e.clientX
  else if(document.all) return document.body.scrollLeft+event.clientX
  else if(document.layers||document.getElementById) return e.pageX
}
function getMouseY(e){//マウスY座標取得
  if(window.opera) return e.clientY
  else if(document.all) return document.body.scrollTop+event.clientY
  else if(document.layers||document.getElementById) return e.pageY
}
var mx=0;
var my=0;
document.onmousemove = mmv

if(window.opera){//-Operaの全画面Event拾えない対策
op_dmydoc ='<div id="dmy"'
          +'     style="position : absolute ;'
          +'            z-index  : 0        ;'
          +'            left:100%; top:100%">'
          +'</div>'
document.write(op_dmydoc)
}
if(document.layers) document.captureEvents(Event.MOUSEMOVE)

function mmv(e){
	mx=getMouseX(e);
	my=getMouseY(e);
}
function lyrSetVisibility( lyr , visf ) { //レイヤの表示非表示を切り替える
	ySize=138;//マウスポインタ-138px(吹出しサイズ)
	if ( visf ) { 
		if(document.all){
			document.all(lyr).style.pixelLeft=mx;     //IE4,IE6?用
			document.all(lyr).style.pixelTop=my-ySize;
			document.all(lyr).style.visibility   = 'visible'
		}
		else if(document.getElementById){    //Moz,NN6,IE5用
			document.getElementById(lyr).style.left=mx;
			document.getElementById(lyr).style.top=my-ySize;
			document.getElementById(lyr).style.visibility= 'visible'
		}else if(document.layers){
			document.layers[lyr].moveTo(mx,(my-ySize));    //NN4用
			document.layers[lyr].visibility = 'show'    //NN4用
		}
	} else {
		if(document.all) document.all(lyr).style.visibility  = 'hidden'     //IE4,IE6?用
		else if(document.getElementById) document.getElementById(lyr).style.visibility= 'hidden' //Moz,NN6,IE5用
		else if(document.layers) document.layers[lyr].visibility = 'hide'    //NN4用
	}
}