function resetFormElement(id,initialValue,eventType){
	var element = document.getElementById(id);
	if ( eventType == "focus"){
		element.value = ( element.value == initialValue )? "" : element.value;
	}
	else if ( eventType == "blur"){
		element.value = ( element.value == "" )? initialValue : element.value;
	}
}
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
function formatCurrency(num) {
	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);
}