如何去掉frame里面的滚动条，让其自动适应大小

怎么去掉frame里面的滚动条，让其自动适应大小！
怎么去掉frame里面的滚动条，让其自动适应大小！？
例如：
<frameset cols="70%,*" id="body" frameborder="0" border="0"> 
  <frame src="flow_view_chartmodel.aspx" id="MiddleBody" >
  <frame src="FlowSetRight.aspx" scrolling="no" id="rightBody" >
  </frameset>  
怎么让flow_view_chartmodel.aspx页自动适应大小，不出现滚动条？？

[解决办法]

JScript code

function SetCwinHeight(obj) {            var cwin = obj;            if (document.getElementById) {                if (cwin && !window.opera) {                    if (cwin.contentDocument && cwin.contentDocument.body.offsetHeight)                        cwin.height = cwin.contentDocument.body.offsetHeight + 20; //FF NS                    else if (cwin.Document && cwin.Document.body.scrollHeight)                        cwin.height = cwin.Document.body.scrollHeight + 10; //IE                }                else {                    if (cwin.contentWindow.document && cwin.contentWindow.document.body.scrollHeight)                        cwin.height = cwin.contentWindow.document.body.scrollHeight; //Opera                }            }        }