UniSession.JSCode('name_'+MainForm.UniURLFrame1.name+'_'+MainForm.UniURLFrame1.JSName+'.myinput4.innerHTML="..."');

MainForm.UniURLFrame1.iframe.contentWindow.document.getElementById("中文").innerHTML="...";

MainForm.UniURLFrame1.iframe.contentWindow.fun(1,1,22,62);//function
MainForm.UniURLFrame1.iframe.contentWindow.vvv = '';//var vvv