// JavaScript Document
function m_open(a,b)
{
  window.open("open.html?m_a_="+a+"&m_b_="+b,"","width=800,height=600,top=90,left=200");
}


function getvalue(name)
{
var str=window.location.search;
if (str.indexOf(name)!=-1)
{
var pos_start=str.indexOf(name)+name.length+1;
var pos_end=str.indexOf("&",pos_start);
if (pos_end==-1)
{
return str.substring(pos_start);
}
else
{
return str.substring(pos_start,pos_end)
}
}
else
{
return "没有值";
}
}