31 lines
No EOL
662 B
JavaScript
31 lines
No EOL
662 B
JavaScript
// function Voltar ao Topo
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function backtotop()
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{
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var x1 = x2 = x3 = 0;
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var y1 = y2 = y3 = 0;
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if(document.documentElement)
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{
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x1 = document.documentElement.scrollLeft || 0;
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y1 = document.documentElement.scrollTop || 0;
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}
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if(document.body)
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{
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x2 = document.body.scrollLeft || 0;
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y2 = document.body.scrollTop || 0;
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}
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x3 = window.scrollX || 0;
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y3 = window.scrollY || 0;
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var x = Math.max(x1, Math.max(x2, x3));
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var y = Math.max(y1, Math.max(y2, y3));
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window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
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if(x > 0 || y > 0)
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{
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window.setTimeout("backtotop()", 25);
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}
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} |