//Utility functions
function show(input, status)
{
	var value = (status) ? 'visible' : 'hidden'; 
	document.getElementById(input).style.visibility = value; 
}


function qsParams() 
{
	var qsParam = new Array();
	var query = Url.decode(window.location.search.substring(1));
	var parms = query.split('&');
	for (var i=0; i<parms.length; i++) 
	{
		var pos = parms[i].indexOf('=');
		if (pos > 0) 
		{
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			val = val.replace(/\+/g, ' ');
			qsParam[key] = val;
		}
	}
	return qsParam;
} 


function onValidateCerere(form)
{
 	with (form)
	{
		if (!/\S/.test( FullName.value ))
		{	
			alert('Please type your full name');
			FullName.focus();
			return false;
		}
		 if (!/^([a-zA-Z0-9_\-\.])+@(([0-2]?[0-5]?[0-5]\.[0-2]?[0-5]?[0-5]\.[0-2]?[0-5]?[0-5]\.[0-2]?[0-5]?[0-5])|((([a-zA-Z0-9\-])+\.)+([a-zA-Z\-])+))$/.test( EmailClient.value ))
		{	
			alert('Please type your email address');
			EmailClient.focus();
			return false;
		}
	
		if (!/\S/.test( Budget.value ))
		{	
			alert('Please type your approximatly budget for your project');
			Budget.focus();
			return false;
		}
		if ( !/\S/.test(security_code.value) )
		{
			alert ('Please type the code from image!');
			security_code.focus();
			return false;
		}

 	}
	form.submit();
}
function onContactFormValidate(form)
{
	with (form)
	{
		if ( !/\S/.test(name.value) )
		{
			alert ('Plese write your full name!');
			name.focus();
			return false;
		}
		if (!/^([a-zA-Z0-9_\-\.])+@(([0-2]?[0-5]?[0-5]\.[0-2]?[0-5]?[0-5]\.[0-2]?[0-5]?[0-5]\.[0-2]?[0-5]?[0-5])|((([a-zA-Z0-9\-])+\.)+([a-zA-Z\-])+))$/.test( email.value ))
		{
			alert('Please write a valid email address!');
			email.focus();
			return false;
		}
		if ( !/\S/.test(message.value) )
		{
			alert ('Message field must not be empty!');
			message.focus();
			return false;
		}
		if ( !/\S/.test(security_code.value) )
		{
			alert ('Please type the code from image!');
			security_code.focus();
			return false;
		}
	}
	return true;
}

/**
*
*  URL encode / decode
*  http://www.webtoolkit.info/
*
**/

var Url = {

	// public method for url encoding
	encode : function (string) {
		return escape(this._utf8_encode(string));
	},

	// public method for url decoding
	decode : function (string) {
		return this._utf8_decode(unescape(string));
	},

	// private method for UTF-8 encoding
	_utf8_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;
	},

	// private method for UTF-8 decoding
	_utf8_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;
	}

}