var eu=1.47;
var usd=1.80;

function roundpound(Val)
{
pound = Math.floor(Val)
Val = "" + Math.round(Val * 100)
Decimal = Val.substring (Val.length-2, Val.length)
return (pound+ "." + Decimal);
}


function convert(t, p)
{
var m;
var val;
if(t=="e")
{
val=p*eu;
val=roundpound(val);
m = "Euro price is approximately €" + val
}
if(t=="u")
{
val=p*usd;
val=roundpound(val);
m = "US Dollar price is approximately $" + val
}
if(t=="a")
{
val=p*ad;
val=roundpound(val);
m = "Australian Dollar price is approximately A$" + val
}
if(t=="p")
{
val=p*pt;
val=roundpound(val);
m = "Irish Punt price is approximately IR£" + val
}
alert(m);
}