/*
 *	Script to modify main navigation links to comply with Google Analytics multiple site tracking requirements
 *
 *	written by James Harvard
 */

function add_ga_tracker_to_ch_links() {

	if (!document.getElementsByTagName){ return; }

	var anchors = document.getElementsByTagName("a");

	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];
		if ( anchor.getAttribute("href") && anchor.getAttribute("href").match(/^http:\/\/www.catalogue-host.co.uk/g) ){
			anchor.onclick = function () {pageTracker._link(this.href); return false;}
		}
	}

}

function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEvent(add_ga_tracker_to_ch_links);