[Iskib]

I am getting errors it says with thread(...)threadid is null or not an object

when i remove this code no errors can someone tell me where they see and error in this code and how to fix it ?

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					{
					document.writeln("<strong>&raquo;&nbsp;<a href=\"showthread.php?t="+threads[x].threadid+"\">"+threads[x].title+"</a></strong><br /> (Posted By: "+threads[x].poster+")<br /><br />");
					}
					//-->