iframe底部固定在瀏覽器的底部

var leftWidth = 220; // 左側窗口大小
var tabTitleHeight = 40; // 頁簽的高度
var htmlObj = $("html"), mainObj = $("#manage_main");
var headerObj = $("#header"), footerObj = $("#footer");
var frameObj = $("#cont-right, #cont-right iframe");
function wSize(){
    var minHeight = 500, minWidth = 980;
    var strs =[getWindowSize().y,getWindowSize().x];
    htmlObj.css({"overflow-x":strs[1] < minWidth ? "auto" : "hidden", "overflow-y":strs[0] < minHeight ? "auto" : "hidden"});
    mainObj.css("width",strs[1] < minWidth ? minWidth - 10 : "auto");
    frameObj.height((strs[0] < minHeight ? minHeight : strs[0]) - headerObj.height()  );
    $("#cont-right iframe").height($("#cont-right").height()); //

}
$(window).resize(wSize);//添加監控頁面窗口變化的方法