//detect browser:
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) browserVer = "1";
else if (browserName == "Microsoft Internet Explorer" && browserVer == 4) browserVer = "1";
else browserVer = "2";

//preload images:
if (browserVer == 1) {
a1 = new Image(107,36);
a1.src = "a1.jpg";
a2 = new Image(107,36);
a2.src = "a2.jpg";
}

//image swapping function:
function switchImage(imgDocID, imgObjName) {
if (browserVer == 1) {
document.images[imgDocID].src = "images/"+imgObjName;
return true;
}}


var flashColor = "#FFFFFF";
function flash_image() {
	var tmp = document.getElementById("Register_btn");
	var heart = document.getElementById("heart_btn");
	
	if(heart) {
		if(heart.src == "http://www.eyetoeyecommunity.com/images/heart_theme2.jpg") {
			heart.src = "images/heart_theme.jpg";
		} else {
			heart.src = "images/heart_theme2.jpg";
		}
	}

	if(tmp) {
		if(flashColor == "#FFFFFF") {
			flashColor = "#000000";
		} else {
			flashColor = "#FFFFFF";
		}
	}
	tmp.style.color = flashColor;

	setTimeout(flash_image,500);
}