<!--
today=new Date();
jran=today.getTime();

function rnd() {

    ia=9301;
    ic=49297;
    im=233280;

    jran = (jran*ia+ic) % im;
    return jran/(im*1.0);
};

function rand(number) {

    return Math.ceil(rnd()*number);
};


for(i=1;i<=1;i++) {
    myNum=(rand(7)); //改成你要随机显示的图片数；

if(myNum == 1) document.write("<a href='chengshi.html' target=_blank><img src='pindao/c11.jpg' border=0></a>");
if(myNum == 2) document.write("<a href='chengshi.html' target=_blank><img src='pindao/c12.jpg' border=0></a>"); 
if(myNum == 3) document.write("<a href='yidong.html' target=_blank><img src='pindao/c13.jpg' border=0></a>"); 
if(myNum == 4) document.write("<a href='yidong.html' target=_blank><img src='pindao/c32.jpg' border=0></a>"); 
if(myNum == 5) document.write("<a href='dianbo.html' target=_blank><img src='pindao/c41.jpg' border=0></a>"); 
if(myNum == 6) document.write("<a href='danpin.html' target=_blank><img src='pindao/c51.jpg' border=0></a>"); 
if(myNum == 7) document.write("<a href='danpin.html' target=_blank><img src='pindao/c52.jpg' border=0></a>"); 

  else {
document.write();
}

};

//-->
