function filter (phrase, cid){
	var words = phrase.value.toLowerCase().split(" ");
	var table = document.getElementById(cid);
	var ele;
	var trClass='tr1';
	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;
		
		// Abwechselnde Backgrounds für dargestellte ROWS
		if(displayStyle=='') {
			if(trClass=='tr2') trClass='tr1';
			else trClass='tr2';
			table.rows[r].className = trClass;
		}
	}
}