var win = null;
function NewWindow(mypage,myname,w,h,scroll) {
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable';
	win = window.open(mypage,myname,settings)
}

function getDrivingDirections() {
	if (document.getElementById('DIRFORM')) {
		var df = document.getElementById('DIRFORM');
		// validate search criteria
		if (df.scity.value == "") {
			alert("City is required.");
		} else if (df.sstate.value == "") {
			alert("State is required.");
		} else {
			NewWindow("driving-directions.html?id="+df.hsid.value+"&scity="+df.scity.value+"&sstate="+df.sstate.value+"&saddr="+df.saddr.value,"DDIRECTIONS",800,600,"yes");
		}
	}
	return false;
}