function ClearDropDownList(element)
{GetElementByID(element).options.length=0;}
function FillMapAreasList(selIndexMapArea,selIndexCamera)
{ClearDropDownList('ddlMapAreas');try
{for(var i=0;i<_ddlMA.length;i++)
{GetElementByID('ddlMapAreas').options[i]=new Option(_ddlMA[i][1],_ddlMA[i][0]);}
GetElementByID('ddlMapAreas').selectedIndex=selIndexMapArea;FillCameraList(selIndexCamera);}
catch(e){DisplayErrorWindow(e,"FillMapAreasList");}}
function FillCameraList(selIndexCamera){ClearDropDownList('ddlCameras');try
{var selectedMapAreaId=GetElementByID('ddlMapAreas').options[GetElementByID('ddlMapAreas').selectedIndex].value;var ddlIndex=0;for(var i=0;i<_ddlCM.length;i++)
{if(_ddlCM[i].mapAreaId==selectedMapAreaId)
{GetElementByID('ddlCameras').options[ddlIndex]=new Option(_ddlCM[i].name,_ddlCM[i].url+"||"+_ddlCM[i].entityId);ddlIndex++;}}
try
{GetElementByID('ddlCameras').selectedIndex=selIndexCamera;if(GetElementByID('ddlCameras').options.length>0)
{GetCameraImageForFirstTime();}
else
{GetElementByID('ddlCameras').options[0]=new Option("No cameras present",0);PicFail();}}
catch(e){DisplayErrorWindow(e,"FillCameraList");}}
catch(e){DisplayErrorWindow(e,"FillCameraList");}}
function PicFail(){GetElementByID('cameraImg').src="images/misc/tempHolder.jpg";SetTextByElement('ctl00_lblCameraID',"No cameras present");}
function GetCameraImageForFirstTime(){var url=GetElementByID('ddlCameras').options[GetElementByID('ddlCameras').selectedIndex].value.split("||")[0];GetElementByID('cameraImg').src=url;SetTextByElement('ctl00_lblCameraID',GetElementByID('ddlCameras').options[GetElementByID('ddlCameras').selectedIndex].text);}
function SetCameraImageWithAjax(){var url=GetElementByID('ddlCameras').options[GetElementByID('ddlCameras').selectedIndex].value.split("||")[0];DisplayCameraOnDashBoard(GetElementByID('ddlCameras').options[GetElementByID('ddlCameras').selectedIndex].value.split("||")[1],"",GetElementByID('ddlCameras').options[GetElementByID('ddlCameras').selectedIndex].text,GetElementByID('ddlMapAreas').selectedIndex,GetElementByID('ddlCameras').selectedIndex,url);}
function SetAreaListWithAjax(){DisplayCameraOnDashBoard(-1,"",GetElementByID('ddlCameras').options[GetElementByID('ddlCameras').selectedIndex].text,GetElementByID('ddlMapAreas').selectedIndex,GetElementByID('ddlCameras').selectedIndex)
FillCameraList(0);}