function trim(str) {
  re = /(^\s*)|(\s*$)/gi
  return str.replace(re, '');

}

function addParamToURL(url, key, value)
{
	var pos = url.indexOf("#");
	if (pos >= 0)
	{
		url = url.substring(0, pos);
	}
	
	pos = url.indexOf("?");
	
	if (pos >= 0)
	{
		var addrs = url.split("?");
		var params = addrs[1].split("&");
		
		var addr = addrs[0]+"?kitchenArt";
		for(var i=0; i < params.length; i++)
		{	
			if (params[i].length == 0) continue;
			
			var pairs = params[i].split("=");
			
			if (pairs[0] == "kitchenArt") continue;
			if (pairs[0] == key) continue;
			
			addr += "&" + pairs[0] + "=" + escape(pairs[1]);
		}
		
		addr += "&" + key + "=" + escape(value);
		
		return addr;
	}
	else
	{
		
		return url+"?"+key+"="+escape(value);
	}
}

function leadZero(s, n)
{
	while(s.length < n)
	{
		s = "0" + s;
	}
	
	return s;
}

function addSuffix(name, suff)
{
	var pos = name.lastIndexOf(".");
	
	if (pos < 0) return name;
	
	var name1 = name.substring(0, pos);
	var name2 = name.substring(pos+1);
	
	return name1+suff+"."+name2;
}