// JScript 文件
function changeBanner(str)
{
    switch(str)
    {
        case "gy":
            if(fliterSrc(document.getElementById("gy").src)=="gy_out.gif")
            {
               document.getElementById("gy").src="/Images/gy_on.gif";
               document.getElementById("qg").src="/Images/qg_out.gif";
               document.getElementById("zx").src="/Images/zx_out.gif";
               document.getElementById("qy").src="/Images/qy_out.gif";
               
               document.getElementById("gy_hot").style.display = "block"; 
               document.getElementById("qg_hot").style.display = "none"; 
               document.getElementById("zx_hot").style.display = "none"; 
               document.getElementById("qy_hot").style.display = "none"; 
               
               document.getElementById("frmSearch").action = "/Supply/More";
            }
        break;
        case "qg":
        if(fliterSrc(document.getElementById("qg").src)=="qg_out.gif")
            {
               document.getElementById("gy").src="/Images/gy_out.gif";
               document.getElementById("qg").src="/Images/qg_on.gif";
               document.getElementById("zx").src="/Images/zx_out.gif";
               document.getElementById("qy").src="/Images/qy_out.gif"; 
               
               document.getElementById("gy_hot").style.display = "none"; 
               document.getElementById("qg_hot").style.display = "block"; 
               document.getElementById("zx_hot").style.display = "none"; 
               document.getElementById("qy_hot").style.display = "none"; 
               
               document.getElementById("frmSearch").action = "/Demand/More";
            }

        break;
         case "zx":
         if(fliterSrc(document.getElementById("zx").src)=="zx_out.gif")
            {
               document.getElementById("gy").src="/Images/gy_out.gif";
               document.getElementById("qg").src="/Images/qg_out.gif";
               document.getElementById("zx").src="/Images/zx_on.gif";
               document.getElementById("qy").src="/Images/qy_out.gif"; 
               
               document.getElementById("gy_hot").style.display = "none"; 
               document.getElementById("qg_hot").style.display = "none"; 
               document.getElementById("zx_hot").style.display = "block"; 
               document.getElementById("qy_hot").style.display = "none"; 
               
               document.getElementById("frmSearch").action = "/News";
            }

        break;
        case "qy":
        if(fliterSrc(document.getElementById("qy").src)=="qy_out.gif")
            {
               document.getElementById("gy").src="/Images/gy_out.gif";
               document.getElementById("qg").src="/Images/qg_out.gif";
               document.getElementById("zx").src="/Images/zx_out.gif";
               document.getElementById("qy").src="/Images/qy_on.gif"; 
               
               document.getElementById("gy_hot").style.display = "none"; 
               document.getElementById("qg_hot").style.display = "none"; 
               document.getElementById("zx_hot").style.display = "none"; 
               document.getElementById("qy_hot").style.display = "block"; 
               
               document.getElementById("frmSearch").action = "/Enterprise";
            }

        break;
    }
}
function fliterSrc(str)
{
    return str.substring(str.lastIndexOf("/")+1);
}