var count = 0;
	// Reload the CAPTCHA
	function reloadCaptcha() {
		frm = document.getElementById("simple_captcha");
		opacity("simple_captcha", 100, 0, 300);
		count++;
		frm.src = "http://www.rigatoni.ch/script/CAPTCHA/gdimg.php?re=" + count;
		opacity("simple_captcha", 0, 100, 300);
	}
	
	// Change opacity
	function opacity(id, opacStart, opacEnd, millisec) {
		//speed for each frame
		var speed = Math.round(millisec / 100);
		var timer = 0;
	
		//determine the direction for the blending, if start and end are the same nothing happens
		if(opacStart > opacEnd) {
			for(i = opacStart; i >= opacEnd; i--) {
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++; 
			}
		} else if(opacStart < opacEnd) {
			for(i = opacStart; i <= opacEnd; i++)
				{
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++;
			}
		}
	}

	// Change the opacity for different browsers
	function changeOpac(opacity, id) {
		var object = document.getElementById(id).style;
		object.opacity = (opacity / 100);
		object.MozOpacity = (opacity / 100);
		object.KhtmlOpacity = (opacity / 100);
		object.filter = "alpha(opacity=" + opacity + ")";
	} 
