浏览器窗口加载和大小改变事件示例

　　window.onload = function() {

　　var height = document.body.clientHeight;

　　document.getElementById("vivS").style.height = (height - 20) + "px";

　　document.getElementById("emd").style.height = (height - 20) + "px";

　　document.getElementById("ob").style.height = (height - 20) + "px";

　　};

　　window.onresize = function() {

　　height = document.body.clientHeight;

　　document.getElementById("vivS").style.height = (height - 20) + "px";

　　document.getElementById("emd").style.height = (height - 20) + "px";

　　document.getElementById("ob").style.height = (height - 20) + "px";

　　};