var HotelDupont101410 = 95;
var DoverDowns101410 = 150;
var Toscana101910 = 100;
var BBC102910 = 60;
var currentTixPrice;

function chooseEvent(selectObj)
{
    var idx = selectObj.selectedIndex; 
    var which = selectObj.options[idx].value;
    document.getElementById("amtOther").checked = true;
    document.getElementById("amt50").disabled = true;
    document.getElementById("amt100").disabled = true;
    document.getElementById("amt500").disabled = true;
    document.getElementById("amt1000").disabled = true;
	document.getElementById("lblTix").style.display = "inline";
	document.getElementById("numTix").style.display = "inline";
    switch(which)
    {
     case 'Fundraiser - Oct 14 - Hotel DuPont':
        document.getElementById("amtOther").value = HotelDupont101410;
		currentTixPrice = HotelDupont101410;
        break;
     case 'Fundraiser - Oct 14 - Dover Downs':
        document.getElementById("amtOther").value = DoverDowns101410;
		currentTixPrice = DoverDowns101410;
        break;
     case 'Fundraiser - Oct 19 - Toscana':
        document.getElementById("amtOther").value = Toscana101910;
		currentTixPrice = Toscana101910;
        break;
     case 'Fundraiser - Oct 29 - BBC Tavern and Grill':
        document.getElementById("amtOther").value = BBC102910;
		currentTixPrice = BBC102910;
        break;
     case 'Campaign Donation':
        document.getElementById("amt50").disabled = false;
        document.getElementById("amt100").disabled = false;
        document.getElementById("amt500").disabled = false;
        document.getElementById("amt1000").disabled = false;
		document.getElementById("lblTix").style.display = "none";
		document.getElementById("numTix").style.display = "none";
		document.getElementById("amtOther").value = "25";
		currentTixPrice = 0;
        break;
     }    
}
function updateTix(tix)
{
	document.getElementById("amtOther").value = currentTixPrice * tix.value;
}