//控制logo的顯示位置 Beginwindow.addEventListener("resize", function () {  // 得到屏幕尺寸 (內(nèi)部/外部寬度，內(nèi)部/外部高度)  changeLogoPosition();}, false);changeLogoPosition();function changeLogoPosition() {  var contentHeight = $("#main_content_div").css("height");  var logoHeight = $("#third_party_logo").css("height");  contentHeight = parseInt(contentHeight.replace('px', ''));  logoHeight = parseInt(logoHeight.replace('px', ''));  //alert('屏幕高度：'+document.body.scrollHeight+' 內(nèi)容高度：'+contentHeight+' logo高度：'+logoHeight);  if (document.body.scrollHeight - contentHeight > logoHeight) {    document.getElementById('third_party_logo').style.position = 'absolute';  } else {    document.getElementById('third_party_logo').style.position = '';  }}//控制logo的顯示位置 End