//修改图片

//修改图片
function changeLanguage() {
var languageNum = document.getElementById("<%=hidLanguageTextBox.ClientID %>").value;
window.onload = changeLanguage;
if (languageNum == ‘1‘) {
document.getElementById("openaide").style.background = ‘url(Images/images_front/Solution.jpg)‘;

} else {
document.getElementById("openaide").style.background = ‘url(Images/images_front/Solution_jp.jpg)‘;
}

}

//修改图片

原文：http://www.cnblogs.com/ouyangxiaoyao/p/5800299.html