- added createRange and addRange functions - fixed lost of text selection range bug in IE6/7
- added createRange and addRange functions
- fixed lost of text selection range bug in IE6/7

git-svn-id: 457d7999e51bfe7aba2b8e126c94ceeb3cdb887b@26 87529a62-bb3e-0410-b0c7-e53ae835acad

gaurav1981/mooeditable,gaurav1981/mooeditable,kod3r/mooeditable,LamCiuLoeng/mooeditable,saisai/mooeditable,RobertoMalatesta/mooeditable,maruf-nc/mooeditable,LamCiuLoeng/mooeditable,cheeaun/mooeditable,rustemferreira/mooeditable,RobertoMalatesta/mooeditable,th3hunt/mooeditable,rustemferreira/mooeditable,codylindley/mooeditable,saisai/mooeditable,9618211/mooeditable,9618211/mooeditable,kod3r/mooeditable,th3hunt/mooeditable,codylindley/mooeditable,maruf-nc/mooeditable