var ads = new Array();
ads[0] = ['<script type="text/javascript"><!--\n'+
'google_ad_client = "pub-8878558265808562";\n'+
'/* 250x250, 创建于 09-4-30 */\n'+
'google_ad_slot = "2120588414";\n'+
'google_ad_width = 250;\n'+
'google_ad_height = 250;\n'+
'//-->\n'+
'</'+'script>\n'+
'<script type="text/javascript"\n'+
'src="http://pagead2.googlesyndication.com/pagead/show_ads.js">\n'+
'</'+'script>',0,0];
var index = Math.floor(Math.random()*ads.length);
var today = new Date();
var i = 0;
while(((ads[index][1] > 0 && ads[index][1] * 1000 > today) || ((ads[index][2] > 0 && ads[index][2] * 1000 < today))) && i < 30) {
index = Math.floor(Math.random()*ads.length);
i++;
}
document.write(ads[index][0]);