function filter (phrase, _id){
	var words = phrase.value.toLowerCase().split(" ");
	var table = document.getElementById(_id);
	var ele;
	for (var r = 1; r < table.rows.length; r++){
		ele = table.rows[r].innerHTML.replace(/<[^>]+>/g,"");
		       var displayStyle = 'none';
		       for (var i = 0; i < words.length; i++) {
			   if (ele.toLowerCase().indexOf(words[i])>=0)
			displayStyle = '';
			   else {
			displayStyle = 'none';
			break;
			   }
		       }
		table.rows[r].style.display = displayStyle;
	}
}