Unexpected token ILLEGAL error in Chrome browser developer tools console

Hi ....

I am using this particular images and when i click on this images i am calling javascript functions but in chrome developer tool console it shows error as Unexpected token ILLEGAL and then nothing happens when i click on the images .... how do i solve this issue.. plz help!! I have sent the aspx page code for which it displays error and code is as shown below:

  <img alt="selectImage" title="Manage Chart" id="Img4"  runat="server" src="Images/chart.png"  önclick="OpenChartSettings('1','chartbox4',null)" class="MngImageStyle" style="padding-left: 5px;" />

<img alt="selectImage" title="View Report" id="Img14"  runat="server" src="Images/viewreport.png"
 önclick="javascript:window.location.href='PreviewGroupReport.aspx?DashboardId='+DashboardId+'&ChartPosition=4'" class="ViewImageStyle" />

<img alt="selectImagen" title="Manage Chartss" id="Img22"  runat="server" src="Images/ico_edit.gif"
 önclick="javascript:window.location.href='EditChartSettings.aspx?ChartsettingId='+DashboardId+'"
class="MngImageStyle" style="padding-left: 35px;" /> 

why does this error show?? how do i solve this plz help!!!

Thanking you in advance!!

Tags: Javascript, Chrome, ASP.NET