function Blog(n)
{
var url='?Blog/List/'+n+'.htm';
window.open (url);
}

function indextopchange(n)
{
var title=n+'title';
document.getElementById('rankall').style.display = 'none';
document.getElementById('rankweek').style.display = 'none';
document.getElementById('rankcompany').style.display = 'none';
document.getElementById('ranktuijian').style.display = 'none';
document.getElementById(n).style.display = 'block';

document.getElementById('rankalltitle').style.background = 'url(../images/index/topbg2.gif) no-repeat';
document.getElementById('rankweektitle').style.background = 'url(../images/index/topbg2.gif) no-repeat';
document.getElementById('rankcompanytitle').style.background = 'url(../images/index/topbg2.gif) no-repeat';
document.getElementById('ranktuijiantitle').style.background = 'url(../images/index/topbg2.gif) no-repeat';
document.getElementById(title).style.background = 'url(../images/index/topbg.gif) no-repeat';
}