var Okay,wel,wel2,wel3,wel4,wel5,wel6,qua1

bversion =parseInt(navigator.appVersion);
if ((navigator.appName == "Netscape") && (bversion >= 1)) Okay="Yes"; 
	else if ((navigator.appName == "Microsoft Internet Explorer") && (bversion >= 1))
Okay="Yes"; 
		   else Okay="No";

if (Okay == "Yes"){
	wel = new Image();	wel.src ="images/mainfishing.jpg";
	wel2 = new Image();	wel2.src ="images/maindiving.jpg";
	wel3= new Image();	wel3.src="images/mainboat.jpg";
	wel4= new Image();	wel4.src="images/mainphotos.jpg";
	wel5= new Image();	wel5.src="images/maincontact.jpg";
	wel6= new Image();	wel6.src="images/mainlink.jpg";
	qua1= new Image(); 	qua1.src="images/main01.jpg";
	}

function cbutton(n,pic){
	if (Okay == "Yes") 
		document.images[n].src=pic.src;
return true;}