GetElementById不是函数?

nic*_*cdk 2 javascript

运行此脚本时,我收到一条错误消息,即document.GetElementById不是函数?- 您可以在以下网址查看该网站:http://www.fritidsjobbere.dk:

//Show random div with Javascript
antal = 6;
var randomnumber=Math.floor(Math.random()*antal);
if(randomnumber == "0") {
randomnumber = 1;
}
//alert(randomnumber);
document.getElementsById("partner-ad"+randomnumber).style.display = 'block'; 
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Nik*_*bak 14

getElementsById - > getElementById