function copyit(id,prefix){
	var s = document.getElementById(id).value;
    if (window.clipboardData) {
    	if(!prefix) 
				var str = s  ;
		else 
				var str = prefix+ ' http://'+location.host+s; 
        window.clipboardData.setData("Text",str);
    }
    alert("信息已经被成功复制到剪贴板了");
}


function GetCookie(sName)
{
  // cookies are separated by semicolons
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++)
  {
    // a name/value pair (a crumb) is separated by an equal sign
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0]) 
      return decodeURIComponent(aCrumb[1]);
  }

  // a cookie with the requested name does not exist
  return null;
}

function inputseartext(obj){
	if(obj.value=='搜索下载资源') obj.value = '';
}