//ブラウザの幅を取得 function getBrowserWidth() { if ( window.innerWidth ) { return window.innerWidth; } else if ( document.documentElement && document.documentElement.clientWidth != 0 ) { return document.documentElement.clientWidth; } else if ( document.body ) { return document.body.clientWidth; } return 0; }; //ブラウザの高さを取得 function getBrowserHeight() { if ( window.innerHeight ) { return window.innerHeight; } else if ( document.documentElement && document.documentElement.clientHeight != 0 ) { return document.documentElement.clientHeight; } else if ( document.body ) { return document.body.clientHeight; } return 0; }; //マージンを定義 var wmrgn=(getBrowserWidth()-600)*0.4;//横margin var hmrgn=(getBrowserHeight()-500)*0.4;//縦margin var hmrgnHalf=getBrowserHeight()*0.5;//固定縦margin //スクロール function backToTop() { var x1 = x2 = x3 = 0; var y1 = y2 = y3 = 0; if (document.documentElement) { x1 = document.documentElement.scrollLeft || 0; y1 = document.documentElement.scrollTop || 0; } if (document.body) { x2 = document.body.scrollLeft || 0; y2 = document.body.scrollTop || 0; } x3 = window.scrollX || 0; y3 = window.scrollY || 0; var x = Math.max(x1, Math.max(x2, x3)); var y = Math.max(y1, Math.max(y2, y3)); window.scrollTo(Math.floor(x / 2), Math.floor(y / 2)); if (x > 0 || y > 0) { window.setTimeout("backToTop()", 25); }} document.write(''); document.write(''); document.write(""); document.write('');