$(document).ready(function(){   
	$('.attachments a[href$=".zip"]').addClass('zip_link styled_link');
	$('.attachments a[href$=".doc"]').addClass('doc_link styled_link');
	$('.attachments a[href$=".xls"]').addClass('xls_link styled_link');
	$('.attachments a[href$=".pdf"]').addClass('pdf_link styled_link');
	$('.attachments a[href$=".pot"]').addClass('ppt_link styled_link');
	$('.attachments a[href$=".ppa"]').addClass('ppt_link styled_link');
	$('.attachments a[href$=".pps"]').addClass('ppt_link styled_link');
	$('.attachments a[href$=".ppt"]').addClass('ppt_link styled_link');
});