function replaceChars(entry, replace_this, with_this) {
	temp = "" + entry; // temporary holder

	while (temp.indexOf(replace_this)>-1) {
		pos= temp.indexOf(replace_this);
		temp = "" + (temp.substring(0, pos) + with_this + temp.substring((pos + replace_this.length), temp.length));
	}
	return temp;
}
	
function isFloat (s){
	var i;
	var seenDecimalPoint = false;
	if (isEmpty(s))
		if (isFloat.arguments.length == 1) return defaultEmptyOK;
	else return (isFloat.arguments[1] == true);

	if (s == decimalPointDelimiter) return false;

	for (i = 0; i < s.length; i++){
		// Check that current character is number.bu
		var c = s.charAt(i);
		if ((c == decimalPointDelimiter) && !seenDecimalPoint) seenDecimalPoint = true;
		else if (!isDigit(c)) return false;
	}

	// All characters are numbers.
	return true;
}

function isWhitespace (s){
	var i;
	if (isEmpty(s)) return true;
	for (i = 0; i < s.length; i++){
		var c = s.charAt(i);
		if (whitespace.indexOf(c) == -1) return false;
	}
	// All characters are whitespace.
	return true;
}

function isNotEmpty(field) {
    var inputStr = Trim(field.value)
    if (inputStr == "" || inputStr == null) {
        return false
    }
    return true
}

function isEmpty (s) {   
	return ((s == null) || (s.length == 0));
}

function LTrim(str) {
	for (var i=0; str.charAt(i)==" "; i++);
	return str.substring(i,str.length);
	}
function RTrim(str) {
	for (var i=str.length-1; str.charAt(i)==" "; i--);
	return str.substring(0,i+1);
	}
function Trim(str) {
	return LTrim(RTrim(str));
	}
	
function isNotEmpty(field) {
    var inputStr = Trim(field.value)
    if (inputStr == "" || inputStr == null) {
        return false
    }
    return true
}

function setCookie(name, value, expires, path, domain, secure) {
	var curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") +
		      ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
		  document.cookie = curCookie;
}

function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	} else
		begin += 2;
	var end = document.cookie.indexOf(";", begin);
	if (end == -1)
		end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain) {
	if (getCookie(name)) {
		document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") +"; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
}


function ReplaceChar(String, OldChar, NewChar){
	for(n=0; n< String.length; n++){
		if (String.charAt(n) == OldChar) String = String.substring(0,n) + NewChar + String.substring(n+1,String.length);
	}
	return String;
}


function formatFloat (s) {
	var maxFraction= 2;
	var dotSeen= false;
	var k=0;
	var result="";
	var str=new String(s);

	for (var i = 0; (i < str.length) && (k <= maxFraction); i++){   
		var c = str.charAt(i);
		if ((c == '.') || (dotSeen)) {
			dotSeen=true;
			k=k+1;
		}		
		result=result+c;
	}
	return result;
}