function getElementIdsByClassName(className, tag, elm){
	var testClass = new RegExp("(^|\s)" + className + "(\s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	var returnElements = [];
	var current;
	var length = elements.length;
	for(var i=0; i<length; i++){
		current = elements[i];
		if(testClass.test(current.className)){
			returnElements.push(current.id);
		}
	}
	return returnElements;
}

function getElementsByClassName(className, tag, elm){
	var testClass = new RegExp("(^|\s)" + className + "(\s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
	var returnElements = [];
	var current;
	var length = elements.length;
	for(var i=0; i<length; i++){
		current = elements[i];
		if(testClass.test(current.className)){
			returnElements.push(current);
		}
	}
	return returnElements;
}

function FormatFloat( 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);
}

function checkAll( form_name ) {
	var form = document.getElementById(form_name);
	for (var i=0;i<form.elements.length;i++) {
		var e = form.elements[i];
		if (e.type == 'checkbox') {
			e.checked = true;
		}
	}
}

function unCheckAll( form_name ) {
	var form = document.getElementById(form_name);
	for (var i=0;i<form.elements.length;i++) {
		var e = form.elements[i];
		if (e.type == 'checkbox') {
			e.checked = false;
		}
	}
}