function utf8(wide) {
	var c, s;
	var enc = "";
	var i = 0;
	while(i<wide.length) {
		c= wide.charCodeAt(i++);
		// handle UTF-16 surrogates
		if (c>=0xDC00 && c<0xE000) continue;
		if (c>=0xD800 && c<0xDC00) {
		if (i>=wide.length) continue;
			s= wide.charCodeAt(i++);
			if (s<0xDC00 || c>=0xDE00) continue;
			c= ((c-0xD800)<<10)+(s-0xDC00)+0x10000;
		}
		// output value
		if (c<0x80) enc += String.fromCharCode(c);
		else if (c<0x800) enc += String.fromCharCode(0xC0+(c>>6),0x80+(c&0x3F));
		else if (c<0x10000) enc += String.fromCharCode(0xE0+(c>>12),0x80+(c>>6&0x3F),0x80+(c&0x3F));
		else enc += String.fromCharCode(0xF0+(c>>18),0x80+(c>>12&0x3F),0x80+(c>>6&0x3F),0x80+(c&0x3F));
	}
	return enc;
}
var hexchars = "0123456789ABCDEF";
function toHex(n) {
	return hexchars.charAt(n>>4)+hexchars.charAt(n & 0xF);
}
var okURIchars0 = "/?=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-.'&";
var okURIchars1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

function urlencode(s,ball) {
	var enc = "";
	if(true)
	{
		if(typeof(ball)=="undefined"){
			enc=encodeURI(s); 
			while(enc.indexOf("+")!=-1)enc=enc.replace("+","%2B");
		}
		else 
			enc=encodeURIComponent(s);
		return enc;
	}
	else
	{
		if(typeof(ball)=="undefined") okURIchars=okURIchars0; else okURIchars=okURIchars1;
		var s = utf8(s);
		var c;
		for (var i= 0; i<s.length; i++) {
			if (okURIchars.indexOf(s.charAt(i))==-1)
				enc += "%"+toHex(s.charCodeAt(i));
			else
				enc += s.charAt(i);
		}
		return enc;
	}
	//alert(enc);
}


function urldecode(s,ball) {
	var dec = "";
	if(typeof(ball)=="undefined"){
		dec=decodeURI(s); 
		//while(enc.indexOf("+")!=-1)enc=enc.replace("+","%2B");
	}
	else 
		dec=decodeURIComponent(s);
	return dec;
}