// JavaScript Document
function get_direction(frm){
	url = "http://maps.google.com/maps?";
	url = url + "f=" + frm.f.value;
	url = url + "&hl=" + frm.hl.value;
	url = url + "&saddr=" + frm.saddr.value;
	url = url + "&daddr=" + frm.daddr.value;
	document.getElementById('google_map').src = url;
	
	/*alert(document.getElementById('google_map').offsetTop);
	alert(document.getElementById('google_map').offsetHeight);*/
}