function copy(char)
{
	if (window.clipboardData)
	{
		window.clipboardData.clearData();
		window.clipboardData.setData("Text",char);
		alert("复制成功！")
	} 
}
var $span,$text;
$(".text li").hover(
  function () {
	$text = $(this).text();
	$(this).append("<span><img src=\"http:\/\/88.gaosu.com\/picture\/copy.gif\"></span>"); 
	$(this).css("border-bottom","1px dashed #FF0000"); 
	$span = $(this).children("span");
	$span.click( function () {
		copy($text);
	});
  },
  function () {
	$(this).children("span").remove(); 
	$(this).css("border-bottom","1px dashed #DDDDDD"); 
  }
);