html dom w3c dom html HTMLAreaElement htmlareaelementimpl htmlelementimpl htmlareaelement serialversionuid l getaccesskey accesskey accesskey accesskey accesskey.length accesskey accesskey.substring accesskey setaccesskey accesskey accesskey accesskey.length accesskey accesskey.substring accesskey getalt setalt alt alt getcoords setcoords coords coords gethref sethref href href getnohref getbinary setnohref nohref nohref capitalize shape shape gettabindex settabindex tabindex string.valueof tabindex gettarget settarget target target htmlareaelementimpl htmldocumentimpl owner name owner name