function setIcons(){
	var exts = [
		'pdf','rar','tif','rtf','zip','bmp','jpg','gif','png','ppt','pps','xls','doc','txt',
		'flv','wmv','avi','mpeg','mpg','mov','pptx','docx','xlsx',
		'PDF','RAR','TIF','RTF','ZIP','BMP','JPG','GIF','PNG','PPT','PPS','XLS','DOC','TXT',
		'FLV','WMV','AVI','MPEG','MPG','MOV','PPTX','DOCX','XLSX'
		];
	for( var i = 0; i < exts.length; i++ ) {
		var expr = String("a[href$='.") + exts[i] + "']";
		$$(expr).each(function(item){
			if(!item.getProperty('href').test('phonebook.xls')){
				item.addClass(exts[i]+"link");
			}
                });
	}	
}