/**
 * @author Brendan Barr
 * code.brendanbarr.com
 */

function setSiteNav(){
	var siteLinks = document.getElementById('site_nav').getElementsByTagName('a');
	var url = window.location.href;
	(url.indexOf('#')!=-1) ? category = url.split('#')[1] : category = 'people';
	for(var i=0;i<siteLinks.length-1;i++){
		siteLinks[i].href='index.html#'+siteLinks[i].getAttribute('id').split('_')[0];
		if(url.indexOf('contact')!=-1) continue;
		document.getElementById(category+'_link').className='active';
		siteLinks[i].onclick = function(){
			
			//check progress (stop script if the old image is hasn't been removed yet)
			if(ready()==false) return false;
			
			for(var ii=0;ii<siteLinks.length;ii++){ siteLinks[ii].className=''; }
			this.className='active';
			changeGallery(this.getAttribute('id').split('_')[0]);
		}
	}
	if(url.indexOf('contact')==-1) changeGallery(category);
};

addLoadEvent(setSiteNav);