function prompter() {
x = prompt("If you have a discount code, please enter it now","");
Update(); 
}
function Update() {
if(x=="gpm"){
	g=15;
}
else if(x == "GEECT"){
	d = .20 * 20;
	g = 20 - d;
}
else if(x == "USAVET"){
	d = .50 * 20;
	g = 20 - d;
}
else if(x == "usavet"){
	d = .50 * 20;
	g = 20 - $d;
}
else{
	g=20;
}
//if(x) {
document.getElementById("price").innerHTML = "$" + g + ".00";
document.getElementById("cost").value = g;
//document.getElementById("cost").value = x; 
//}else{
//document.getElementById("cost").value = 20; 
//}
}
/*** I left a space between Id and first ( so yahoo would not drop the code, should take that out ***/