在线等,一段关于javascript+asp.net的代码

string upfiles="";
upfiles+="<SCRIPT language=javascript>"+System.Environment.NewLine;
            upfiles+="parent.HtmlEdit.focus();"+System.Environment.NewLine;
upfiles+="var range = parent.HtmlEdit.document.selection.createRange();"+System.Environment.NewLine;
if((exp==".GIF")||(exp==".JPG")||(exp==".BMP")||(exp==".TIF")||(exp==".JPEG"))
{
upfiles+="range.pasteHTML('<img src="+filename+" border=0>');"+System.Environment.NewLine;
}
else if(exp==".SWF")
{
upfiles+="range.pasteHTML('<object classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0";
upfiles+="><param name=movie value="+filename+">"+"<param name=quality value=high>";
upfiles+="<embed src="+filename+" quality=high pluginspage=http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash type=application/x-shockwave-flash";
upfiles+="></embed></object>');"+System.Environment.NewLine;
}
else
{
upfiles+="range.text='[upload="+exp+"]"+filename+"[/upload]';"+System.Environment.NewLine;
}
upfiles+="parent.parent.myform.IncludePic.value='y';"+System.Environment.NewLine;
upfiles+="parent.parent.myform.UploadFiles.value='"+filename1+"';"+System.Environment.NewLine; upfiles+="alert('" +"上传成功！"+"');"+System.Environment.NewLine;
upfiles+="history.go(-1);"+System.Environment.NewLine;
upfiles+="parent.HtmlEdit.focus();"+System.Environment.NewLine+"</script>";
Response.Write(upfiles);