fix some JsLint warnings
fix some JsLint warnings

MartinReidy/phpjs,kvz/phpjs,cigraphics/phpjs,janschoenherr/phpjs,Mazbaul/phpjs,Mazbaul/phpjs,w35l3y/phpjs,praveenscience/phpjs,imshibaji/phpjs,strrife/phpjs,w35l3y/phpjs,davidgruebl/phpjs,mojaray2k/phpjs,VicAMMON/phpjs,davidgruebl/phpjs,FlorinDragotaExpertvision/phpjs,FlorinDragotaExpertvision/phpjs,ajenkul/phpjs,FlorinDragotaExpertvision/phpjs,strrife/phpjs,J2TeaM/phpjs,kvz/phpjs,w35l3y/phpjs,mojaray2k/phpjs,strrife/phpjs,MartinReidy/phpjs,mojaray2k/phpjs,VicAMMON/phpjs,w35l3y/phpjs,J2TeaM/phpjs,chand3040/phpjs,VicAMMON/phpjs,ajenkul/phpjs,davidgruebl/phpjs,imshibaji/phpjs,chand3040/phpjs,imshibaji/phpjs,VicAMMON/phpjs,cigraphics/phpjs,revanthpobala/phpjs,J2TeaM/phpjs,praveenscience/phpjs,revanthpobala/phpjs,kvz/phpjs,cigraphics/phpjs,janschoenherr/phpjs,chand3040/phpjs,cigraphics/phpjs,mojaray2k/phpjs,janschoenherr/phpjs,revanthpobala/phpjs,imshibaji/phpjs,davidgruebl/phpjs,hirak/phpjs,praveenscience/phpjs,hirak/phpjs,strrife/phpjs,praveenscience/phpjs,revanthpobala/phpjs,FlorinDragotaExpertvision/phpjs,janschoenherr/phpjs,MartinReidy/phpjs,Mazbaul/phpjs,Mazbaul/phpjs,ajenkul/phpjs,hirak/phpjs,MartinReidy/phpjs,hirak/phpjs,kvz/phpjs,ajenkul/phpjs,J2TeaM/phpjs