var rot13 = 1;

function rot13init() {
	var map = [];
	var s = "abcdefghijklmnopqrstuvwxyz";
	var i;
	//generate the key
	for (i=0;i<s.length;i++){
		map[s.charAt(i)] = s.charAt((i+13)%26);
		map[s.charAt(i).toUpperCase()] = s.charAt((i+13)%26).toUpperCase();
	}
	return map;
}

function str_rot13(a,map) {
	var s = "";
	var i;
	for (i=0;i<a.length;i++) {
		 var b=a.charAt(i);
		s += (b>='A' && b<='Z' || b>='a' && b<='z' ? map[b] : b);
	}
	return s;
}

function geo_decode(anchor) {
	//getattriute is needed, cause it lefts such things like http:// and only returns the url, the 2 is for the IE, otherwise it would not work
	var href = anchor.getAttribute('href', 2);
	var address = href.replace(/contact\/([a-z0-9._\-]+)\+([a-z0-9._%\-]+)\+([a-z.]+)/i, '$1' + '@' + '$2' + '.' + '$3');
	
	var linktext = anchor.innerHTML; // IE Fix
	if(href!=address){
		var thistitel = anchor.getAttribute('title');
		anchor.setAttribute('href','mailto:' + (rot13 ? str_rot13(address,rot13init()) : address)); // Add mailto link	
		anchor.setAttribute('title', thistitel+' to : ' + (rot13 ? str_rot13(address,rot13init()) : address));
		anchor.innerHTML = linktext; // IE Fix
		document.status='mailto:' + (rot13 ? str_rot13(address,rot13init()) : address);
	}
}

function geo() {
	// Check for browser support
	if (!document.getElementsByTagName) {
		return false;
	}
	var tooltip_js_on='Send e-mail';
	var tooltip_js_off='To reveal this e-mail address, you will need to answer a simple question';
	var links=document.getElementsByTagName('a'); // Get all anchors
	var l;
	
	for (l=0;l<links.length;l++){ // Loop through the anchors
		links[l].onfocus = function() { 
			geo_decode(this);
		};
		links[l].onclick = function() { 
			geo_decode(this);
		};
		links[l].onmouseover = function() { 
		// Display tooltip when links are hovered
			if (this.getAttribute('title') == tooltip_js_off) { // Set custom tooltip if specified
				this.setAttribute('title',tooltip_js_on);
			}
			// Encode links when hovered (so that the address appears correctly in the browser's status bar)
			geo_decode(this); 
		};
	}
}

window.onload = function () {
	geo();
};