javascript post提交并显示在弹出窗口

function thisFormSubmit(){
        var previewWindow = window.open("","colReport","resizable=yes, scrollbars=1,status=1,toolbar=0,left=100, top=70");  
       
    document.forms[0].target= "colReport"; //previewWindow.name
        document.forms[0].submit();
    }