<!--
function getCookieVal (offset)
{  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1)    
		endstr = document.cookie.length;  
	return unescape(document.cookie.substring(offset, endstr));
}

function getCookie (name)
{  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen)
	{   	var j = i + alen;    
		if (document.cookie.substring(i, j) == arg)      
			return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
		if (i == 0) break;   
	}  
	return null;
}

function setCookie (name, value)
{	var argv = setCookie.arguments;  
	var argc = setCookie.arguments.length;  
	var expires = (argc > 2) ? argv[2] : null;  
	var path = (argc > 3) ? argv[3] : null; // original setting
//	var path = (argc > 3) ? argv[3] : "/";  
	var domain = (argc > 4) ? argv[4] : null; 
	var secure = (argc > 5) ? argv[5] : false;  
	
	document.cookie = name + "=" + escape (value) + 
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) 	+ 
		((path == null) ? "" : ("; path=" + path)) +
		((domain == null) ? "" : ("; domain=" + domain)) +    
		((secure == true) ? "; secure" : "");
}

function delCookie(name)
{	var exp = new Date();  
	exp.setTime (exp.getTime() - 1);  
	var cval = getCookie (name);  
	document.cookie = name + "=" + cval + "; expires=" + 	exp.toGMTString();
}
			
// function that rounds decimal places
function formatDecimal(argvalue, addzero, decimaln)
{	var numOfDecimal = (decimaln == null) ? 2 : decimaln;
	var number = 1;
	
	number = Math.pow(10, numOfDecimal);
	
	argvalue = Math.round(parseFloat(argvalue) * number) / number;
	argvalue = argvalue.toString();
	
	if (argvalue.indexOf(".") == 0)
	   argvalue = "0" + argvalue;
	
	if (addzero == true)
	{
	    if (argvalue.indexOf(".") == -1)
	      argvalue = argvalue + ".";
	
	    while ((argvalue.indexOf(".") + 1) > (argvalue.length - numOfDecimal))
	      argvalue = argvalue + "0";
	}
	
	return argvalue;
}

// check to see if input is valid number
function chkForNum(WhatToCheck)
{
	ValidCharacters = "1234567890";
	for (i=0; i <= ValidCharacters.length; i++)
	{
		if (ValidCharacters.indexOf(WhatToCheck.substring(i,i+1)) == -	1)
		{
			return false
		}
	}
	return true
}