var docId = getItemValueAsString("contractDocId");
var formId = getItemValueAsString("contractFormId");
var url=$WEB.getParamsTable().getContextPath()+"/portal/dynaform/document/view.action?_docid="+docId+"&_formid="+formId +"&application=11e1-98e0-c4f56c90-adca-15e6adc3fbc5";
var rtn= "<input type=button value='查看合同' onclick='showframe("",""+url+"")'>";