var ns = (document.layers) ? true : false 
var ie = (document.all) ? true : false 
var dom = (document.getElementById && !document.all) ? true : false 
var i=0;
var gari = new Image;
gari.src = "car.gif";
var gari2 = new Image;
gari2.src = "car2.gif";
function slide(){
 document.getElementById("gari2").style.display = 'none';
 document.getElementById("gari").style.display = 'block'; 
 if (i < 620){
 	if (dom){
	document.getElementById("van").style.left = i;		
    } else if (ie){
	document.all.van.style.posLeft = i;
   	}
	i= i+1;
    setTimeout ("slide()", 5);
 	} 
 else if (i <= 620){
	setTimeout ("reversed()", 5000);
	}
	}

 function reversed() {
 	document.getElementById("gari").style.display = 'none';	
 	document.getElementById("gari2").style.display = 'block';
	if (i > 1){
  		if (dom){
		document.getElementById("van").style.left = i;
    	} else if (ie){
		document.all.van.style.posLeft = i;
   		}
    	i = i-1;
		setTimeout ("reversed()", 5);
	}else if (i <= 1){
	setTimeout ("slide()", 5000);
	}
	}

function book(a){
if (a =="away"){
x = "froport";
y = "arrives";
}else if (a =="home"){
var x = "toport";
var y = "departs";
}
if (document.getElementById(x).value == 'no'){
document.getElementById(y).style.display = 'none';
} else if(document.getElementById(x).value == 'yes'){
document.getElementById(y).style.display = 'block';
}
}

function fares(){
if (document.getElementById("number").value == "string" && document.getElementById("surbub").value !="nara"){
document.getElementById("charge").value = 95+".00  Australian Dollars";
}else if(document.getElementById("number").value == "string2" && document.getElementById("surbub").value !="nara"){
document.getElementById("charge").value = "Please call us for a quote";
}else if (document.getElementById("surbub").value !="nara" && document.getElementById("number").value !="nara" ){
var x = parseInt(document.getElementById("surbub").value);
var p = parseInt(document.getElementById("number").value);
var fareValue = (x+p) +".00  Australian Dollars";
document.getElementById("charge").value = fareValue;
}
}
function fares2(){
if (document.getElementById("number2").value == "string3" && document.getElementById("surbub2").value !="nara"){
document.getElementById("charge2").value = 95+".00  Australian Dollars";
}else if(document.getElementById("number2").value == "string4" && document.getElementById("surbub2").value !="nara"){
document.getElementById("charge2").value = "Please call us for a quote";
}else if (document.getElementById("surbub2").value !="nara" && document.getElementById("number2").value !="nara"){
var x = parseInt(document.getElementById("surbub2").value);
var p = parseInt(document.getElementById("number2").value);
var fareValue2 = (x+p)+".00  Australian Dollars";
document.getElementById("charge2").value = fareValue2;
}
}