柳永法(yongfa365)的js自定义函数

function trim(inputString)
{
    return inputString.replace(/^ +/,"").replace(/ +$/,"");
}

function copycode(obj)
{
    var rng = document.body.createTextRange();
    rng.moveToElementText(obj);
    rng.scrollIntoView();
    rng.select();
    rng.execCommand("Copy");
    rng.collapse(false);
}

function runCode(obj)
{
    var winname = window.open('', "_blank", '');
    winname.document.open('text/html', 'replace');
    winname.opener = null // 防止代码对论谈页面修改
    winname.document.write(obj.value);
    winname.document.close();
}

function saveCode(obj)
{
    var winname = window.open('', '_blank', 'top=10000');
    winname.document.open('text/html', 'replace');
    winname.document.write(obj.value);
    winname.document.execCommand('saveas','','code.htm');
    winname.close();
}

function showflash(flashURL,flashWIDTH,flashHEIGHT)
{
    var flashURL=flashURL;
    var flashWIDTH=flashWIDTH;
    var flashHEIGHT=flashHEIGHT;
    document.writeln ('<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" WIDTH='+flashWIDTH+' HEIGHT='+flashHEIGHT+'>');
    document.writeln ('<PARAM NAME=movie VALUE="'+flashURL+'">');
    document.writeln ('<PARAM NAME=wmode VALUE=transparent>');
    document.writeln ('<PARAM NAME=loop VALUE=true>');
    document.writeln ('<PARAM NAME=quality VALUE=high>');
    document.writeln ('<EMBED src="'+flashURL+'" loop=true wmode=opaque quality=high swLiveConnect=FALSE WIDTH='+flashWIDTH+' HEIGHT='+flashHEIGHT+' TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></EMBED>');
    document.writeln ('</OBJECT>');
}