function _canAccessIFrame(iframe){
				var html=null;
				try{
					var doc=iframe.contentDocument || iframe.contentWindow.document;
					html=doc.body.innerHTML;
				}catch(err){/* do nothing */}
				return(html!==null);
			}
/* check if iframe can be accessed */
check if iframe can be accessed
check if iframe can be accessed
function _canAccessIFrame(iframe){
				var html=null;
				try{
					var doc=iframe.contentDocument || iframe.contentWindow.document;
					html=doc.body.innerHTML;
				}catch(err){}
				return(html!==null);
			}
function _canAccessIFrame ( iframe ) { var html = null ; try { var doc = iframe . contentDocument || iframe . contentWindow . document ; html = doc . body . innerHTML ; } catch ( err ) { } return ( html !== null ) ; }
check if iframe can be accessed
check if iframe can be accessed
/* do nothing */