function routeplanner() {
	var basehref = 'http://maps.google.com/?q=from:';
	var startingpoint = document.getElementById('startingpoint').value;
	var destination = '%20to:40%20Chamberlayne%20Road,%20Eastleigh,%20Hampshire,%20SO50%205JH,%20United%20Kingdom&dirflg=';
	var needles = new Array(' ', ',\n', '\n', ', ');
	var replacements = new Array('%20', ',%20', ',%20', ',%20');

	for (var i=0; i<needles.length; i++) {
		var needle = new RegExp(needles[i],"gi");
		startingpoint = startingpoint.replace(needle, replacements[i]);
	}

	if (document.getElementById('mode_car').checked == 1) {
		var mode = document.getElementById('mode_car').value
	} else if (document.getElementById('mode_publictransport').checked == 1) {
		var mode = document.getElementById('mode_publictransport').value
	} else if(document.getElementById('mode_foot').checked == 1) {
		var mode = document.getElementById('mode_foot').value;
	}

	$('.googlemaps').colorbox({width:'80%', height:'80%', iframe:true, href:basehref+startingpoint+destination+mode});
}