/* ----------------------------------------------------------------------------------------
Graceful E-Mail Obfuscation - JavaScript function (decodes e-mail addresses)
Last updated: July 31th, 2007 by Roel Van Gils
---------------------------------------------------------------------------------------- */


function geo() {
	if (!document.getElementsByTagName) // Check for browser support
			return false;
	if (rot13) // Initiate ROT13 only if needed
		var map = rot13init(); 
	var tooltip_js_on = 'Send us an email';
	var tooltip_js_off = 'Answer a simple question to email us';
	var links = document.getElementsByTagName('a'); // Get all anchors
	var spans = document.getElementsByTagName('SPAN');
	function geo_decode(anchor) { // function to recompose the orginal address
		var href = anchor.getAttribute('href');
		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) {
			anchor.setAttribute('href','mailto:' + (rot13 ? str_rot13(address,map) : address)); // Add mailto link	
			anchor.innerHTML = linktext; // IE Fix
		}
	}
	for (var l = 0 ; l < links.length ; l++) { // Loop through the anchors
		links[l].onclick = function() { // Encode links when clicked
			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);
				geo_decode(this); // Encode links when hovered (so that the address appears correctly in the browser's status bar)
			}
		}
	}
	var ThisBody = document.getElementsByTagName('BODY');
	ThisBody[0].onmouseover = function(){
		for(i=0;i<spans.length;i++){
			if(spans[i].className=='SafeAddress'){
				ThisAddress = spans[i].innerHTML;
				ThisAddress = ThisAddress.replace(/<[^>]*>/g, "");
				ThisAddress = ThisAddress.replace(/(REMOVETHIS|IGNORE)/g,"");
				ThisAddress = ThisAddress.replace(/at/g,"@");
				ThisAddress = ThisAddress.replace(/dot/g,".");
				spans[i].innerHTML = ThisAddress;
			}
		}
		ThisBody[0].onmouseover = '';
	}
}

var rot13 = true;

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

function str_rot13(a,map) {
	var s = "";
	for (var 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;
}