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var OnPasteCheckIntNum = function()
{
    if(window.clipboardData)
    {
        if(isNaN(window.clipboardData.getData('text')))
        {
            clipboardData.setData('text','');
        }
        else
        {
            //clipboardData.setData('text',clipboardData.getData('text'))
            clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))
        }
    }
    else if(navigator.userAgent.indexOf("Opera") != -1)
    {
        if(isNaN(window.location))
        {
            //window.location = window.location.replace(/[^\d]/g,'');
            window.location = '';
        }
    }
};
var OnPasteCheckDecimal = function(id)
{   
    return function()
    {
        if(window.clipboardData)
        {
            if(isNaN(window.clipboardData.getData('text') + id.value))
            {
                clipboardData.setData('text','');
            }
     &n


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 1. oncontextmenu="window.event.returnValue=false" ½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)><td>no</table> ¿ÉÓÃÓÚTable
2. <body onselectstart="return false"> È¡Ïûѡȡ¡¢·ÀÖ¹¸´ÖÆ
3. onpaste="return false" ²»×¼Õ³Ìù
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function MoveLeftLayer(layerName) {
var x = 5;
var y = 100;// ×ó²à¹ã¸æ¾àÀëÒ³Ê׸߶È
var diff = (document.body.scrollTop + y - document.all.AdLayer1.style.posTop)*.40;
var y = document.body.scrollTop + y - diff;
eval("document.all." + layerName + ".style.posTop = parseInt(y)");
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