根据屏幕拉伸自动调整iframe 的高度

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functionSetFrameSize(frmObj, booFixed) { 
           if(booFixed) { 
               //设置固定大小的frmae 针对编辑状态时的富文本页面
 
               varvalH = window.document.documentElement.clientHeight;
               valH = valH < 600 ? 600 : valH - 30;
               $("#"+ frmObj.id).height(valH); 
               varvalW = window.document.documentElement.clientWidth;
               if(valW < 550) { 
                   $("#"+ frmObj.id).width(550) 
               }
           }
           else{ 
               //设置高度可变的frame
               varvalH = window.document.documentElement.clientHeight;
               valH = valH - 40;
               $("#"+ frmObj.id).height(valH); 
           }
       }
       functionresizeFrame() { 
           //获取你想要自动调整大小的 iframe
           variframe1 = document.getElementById("iframe1");
           SetFrameSize(iframe1,false);
                 }
       window.onresize = resizeFrame;
       window.onload = resizeFrame; 