function duesFocus() {
    document.dues.firstName.focus();
}
function toggle(on, off, style) {
	styles = style.split(",");
	if (on != "") {
		ons = on.split(",");
		for (i=0;i<ons.length;i++) {		
			document.getElementById(ons[i]).style.display = styles[i];
		}
	}
	if (off != "") {	
		offs = off.split(",");
		for (i=0;i<offs.length;i++) {		
			document.getElementById(offs[i]).style.display = "none";
		}
	}
}
function formatAsMoney(num) {
	var sign, cents; 
	num = num.toString().replace(/\$|\,/g,''); 
	if(isNaN(num)) 
	num = "0"; 
	sign = (num == (num = Math.abs(num))); 
	num = Math.floor(num*100+0.50000000001); 
	cents = num%100; 
	num = Math.floor(num/100).toString(); 
	if(cents<10) 
	cents = "0" + cents; 
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++) 
	num = num.substring(0,num.length-(4*i+3))+','+ 
	num.substring(num.length-(4*i+3)); 
	//return (((sign)?'':'-') + '$' + num + '.' + cents);
	return num+'.'+cents;
} 