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Problem with IndexOf function in Java script?

Posted By:      Posted Date: September 20, 2010    Points: 0   Category :ASP.Net

Hi all,  i have one problem while using Index Of function in java script. I am using this in this way:

var ss=(document.getElementById('<%=HiddenField1.ClientID%>').value.indexOf(","+document.getElementById('<%=yyy.ClientID%>').value+"-"+document.getElementById(str).value,20));                       

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