<!--
// Unique identifier
function UUID(){
	this.id = this.createUUID();
}

UUID.prototype.valueOf = function(){ return this.id; }

UUID.prototype.toString = function(){ return this.id; }

UUID.prototype.createUUID = function(){
	var dg = new Date(1582, 10, 15, 0, 0, 0, 0);
	var dc = new Date();
	var t = dc.getTime() - dg.getTime();
	var h = '-';
	var tl = UUID.getIntegerBits(t,0,31);
	var tm = UUID.getIntegerBits(t,32,47);
	var thv = UUID.getIntegerBits(t,48,59) + '1'; // version 1, security version is 2
	var csar = UUID.getIntegerBits(UUID.rand(4095),0,7);
	var csl = UUID.getIntegerBits(UUID.rand(4095),0,7);
	var n = 
		UUID.getIntegerBits(UUID.rand(8191),0,7) + 
		UUID.getIntegerBits(UUID.rand(8191),8,15) + 
		UUID.getIntegerBits(UUID.rand(8191),0,7) + 
		UUID.getIntegerBits(UUID.rand(8191),8,15) + 
		UUID.getIntegerBits(UUID.rand(8191),0,15); // this last number is two octets long
	return tl + h + tm + h + thv + h + csar + csl + h + n; 
}

UUID.getIntegerBits = function(val,start,end){
	var base16 = UUID.returnBase(val,16);
	var quadArray = new Array();
	var quadString = '';
	var i = 0;
	for(i=0;i<base16.length;i++){ quadArray.push(base16.substring(i,i+1)); }
	for(i=Math.floor(start/4);i<=Math.floor(end/4);i++){
		if(!quadArray[i] || quadArray[i] == '') quadString += '0';
		else quadString += quadArray[i];
	}
	return quadString;
}

UUID.returnBase = function(number, base){
	return (number).toString(base).toUpperCase();
}

UUID.rand = function(max){
	return Math.floor(Math.random() * (max + 1));
}

  
function refreshCaptcha(image) { 
	uid = new UUID(); 
	if (image) image.src = "/captchatest.php?uid="+uid; 
}


// -->