var currShowingAnswer;var currShowingCat;var DOM=document.getElementById&&document.getElementsByTagName;function swapVisibility(elm){if(!DOM){return false;}elm=document.getElementById(elm);if(elm.style.display=="none"){if(self.expandElement){expandElement(elm);}else{elm.style.display="block";}}else{if(self.collapseElement){collapseElement(elm);}else{elm.style.display="none";}}return true;}function hideQuestionAnswer(parentDiv,elm){if(!DOM){return false;}var quesDiv=parentDiv.getElementsByTagName('div');for(var div=0;div<quesDiv.length;div++){if((elm!=quesDiv[div])&&(quesDiv[div].id.indexOf('divAnswer')>=0)){quesDiv[div].style.display='none';quesDiv[div].origHeight=null;}}return true;}function hideOtherQues(elm,parentDiv){if(DOM){var returnVal=true;elm=document.getElementById(elm);if(!currShowingAnswer){returnVal=hideQuestionAnswer(document.getElementById(parentDiv),elm);}if(currShowingAnswer&&elm!=currShowingAnswer){currShowingAnswer.style.display='none';currShowingAnswer.origHeight=null;}currShowingAnswer=elm;return returnVal;}else{return false;}}function hideCats(parentDiv,elm){if(!DOM){return false;}parentDiv=document.getElementById(parentDiv);var quesSpans=parentDiv.getElementsByTagName('div');for(var span=0;span<quesSpans.length;span++){if((elm!=quesSpans[span])&&(quesSpans[span].id.indexOf('divQues')>=0)){quesSpans[span].style.display='none';quesSpans[span].origHeight=null;}}return true;}function hideOtherCats(elm,parentDiv){if(DOM){var returnVal=true;elm=document.getElementById(elm);if(!currShowingCat){returnVal=hideCats(parentDiv,elm);}if((elm!=currShowingCat&&currShowingCat)){hideQuestionAnswer(currShowingCat,elm);currShowingCat.style.display='none';currShowingCat.origHeight=null;}currShowingCat=elm;return returnVal;}else{return false;}}function scrollToView(elm){if(DOM){var obj=document.getElementById(elm);if(obj.scrollIntoView){obj.scrollIntoView(true);}}}