/*
 * Due to some of the "legal" changes in the handling of external links to the corporate website, a set of
 * controls needed to be added to warn users when exiting to 3rd party websites and/or content.
 * See: Jira CRP-172 sub task CRP-169   MJF
 * Code constructed by Derek Winfield and executed by Michael Farnham 05/03/2007
*/
	var monotypeExternalLinks = function () {
	var internalDomain = "www.faces.co.uk";
	var confirmationMessage = "You are leaving the Faces website. You may return to the Faces website\nby closing the window to the third-party website\nthat you have opened\n\nDo you wish to continue?";
	function markExternalLinks() {
		var pattern = new RegExp("^\\w+:\\/\\/(\\w+\\.)?(test)?" + internalDomain + "\\/");
		var links = document.getElementsByTagName("a");
		var addConfirm = false;
		
		for (var i = 0; i < links.length; i++) {
			//alert( links[i].href+":"+links[i].href.search("http") );
			
			addConfirm = false;
			
			//found a link without our domain, and it's not a mailto
			if (!pattern.test(links[i].href) && links[i].href.substring(0, 7) != "mailto:")
			{
				addConfirm = true;
			}
			
			//check its not an internal link
			if( addConfirm && links[i].href.search("http") == -1 )
			{
				//we didnt find an http in the href
				
				if( links[i].onclick )
				{
					if( links[i].onclick.toString().search("http") == -1 )
					{
						//the onclick doesnt have an http, its an internal link
						addConfirm = false;
					}
				}else{
					//and there's no onclick, dont add the confirm
					addConfirm = false;
				}
				
			}
			
			if (addConfirm) {
				/*Following line added to make every non specified link open in a new window*/
				/*links[i].setAttribute('target','_blank');*/
				addListener(links[i], "click", confirmExit);
			}
		}
	}
	
	function confirmExit(e) {
		if (!confirm(confirmationMessage)) {
			if (e.preventDefault) {
				e.preventDefault();
			} else {
				e.returnValue = false;
			}
			return false;
		} else {
			window.blur();
			return true;
		}
	}
	
	var addListener = function() {
		if ( window.addEventListener ) {
			return function(el, type, fn) {
				el.addEventListener(type, fn, false);
			};
		} else if ( window.attachEvent ) {
			return function(el, type, fn) {
				var f = function() {
					fn.call(el, window.event);
				};
				el.attachEvent('on'+type, f);
			};
		} else {
			return function(el, type, fn) {
				element['on'+type] = fn;
			}
		}
	}();

	addListener(window, "load", markExternalLinks, false);
}();