/**
*
*  UTF-8 data encode / decode
*  http://www.webtoolkit.info/
*
**/

var Utf8 = {

	// public method for url encoding
	encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	},

	// public method for url decoding
	decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}
}

function validateForm(f)
{
	for (var i=0; i<f.elements.length; i++)
	{
		if (f.elements[i].alt=="blank" && f.elements[i].value=="")
		{
			alert("Please provide "+f.elements[i].name);
			f.elements[i].focus();
			return false;
		}
		if (f.elements[i].alt=="numeric" && (f.elements[i].value=="" || isNaN(f.elements[i].value)))
		{
			alert("Please provide "+f.elements[i].name);
			f.elements[i].focus();
			return false;
		}
		if (f.elements[i].alt!="" && f.elements[i].alt!=null)
		{
			if (f.elements[i].alt.substr(0, 7)=="equalto")
			{
				if ((f.elements[i].value!=f(f.elements[i].alt.substr(8)).value))
				{
					alert("Please provide "+f.elements[i].name);
					f.elements[i].focus();
					return false;
				}
			}
		}
	}
}
