function resultsMenu() { 
	var newIndex = document.resultsperpage.results_nr.selectedIndex; 
	
	cururl = window.location.href;
	
	var temp = new Array();
	temp = cururl.split('&');
	
	var temp = new Array();
	temp = cururl.split('&');
	newurl=temp[0]+'&'+temp[1]+document.resultsperpage.results_nr.options[ newIndex ].value; 
	window.location.assign( newurl ); 
	
}