js弹出窗口，可判断是否弹出代码

//普通窗口
function openWindow(dialogName, pageUrl, width, height,  resizable) {
 try {
  screenWidth = screen.width ;
  screenHeight = screen.height ;
 } catch (e) {
  screenWidth = 1024 ;
  screenHeight = 768 ;
 }
 var iTop  = (screenHeight - height) / 2 ;
 var iLeft = (screenWidth  - width)  / 2 ;
 
 if (!width) {
  width = screenWidth;
 }
 if (!height) {
  height = screenHeight;
 }
 if (!resizable) {
  resizable = true;
 }

 var sOption  = "location=no,menubar=no,scrollbars=yes,toolbar=no,dependent=yes,'',minimizable=no,modal=yes,alwaysRaised=yes" +
  ",resizable="  + ( resizable ? 'yes' : 'no' ) +
  ",width="  + width +
  ",height=" + height +
  ",top="  + iTop +
  ",left=" + iLeft ;

 var parentWindow = window ;
 
 var oWindow = parentWindow.open( pageUrl, 'Dialog_' + dialogName, sOption, true );
 
 if ( !oWindow )
 {
  alert('窗口被拦截，请关闭广告拦截工具！');
  return ;
 }
  
 oWindow.moveTo( iLeft, iTop ) ;
 oWindow.resizeTo( width, height ) ;
 oWindow.focus();
}
function OpenFileBrowserFck(type)
{
 if (!type) type = 'Image';
 url = 'http:/www.111cn.net/cncmax/lib/FCKeditor/editor/filemanager/browser/default/browser.html?Type='+type+'&Connector=connectors/php/connector.php';
 try {
  screenWidth = screen.width ;
  screenHeight = screen.height ;
 } catch (e) {
  screenWidth = 1024 ;
  screenHeight = 768 ;
 }
 openWindow('FCKBrowseWindow',url,screenWidth*0.7,screenHeight*0.7);
}

function SetUrl(url) {
 document.getElementById(document.getElementById('ofbn').value).value = url;
}

function OpenFileBrowser(elementName,type) {
 document.getElementById('ofbn').value = elementName;
 OpenFileBrowserFck(type)
}

document.write('<input id="ofbn" name="ofbn" type="hidden" value="" />');