var navImageBase = '/images/2009/';
var pubNavBase = '/images/2009/productnav/';
$(document).ready(function(){
	// mouse handling for the sector nav
	//
	$('#sector-nav li img').each(function(i) {
		$(this).mouseenter(function(){
			var sectorName = this.getAttribute('base');
			this.src=navImageBase+'sectornav_on_'+sectorName+'.gif';
			
			// get all of the product nav items that have this sector name as a class
			$('#publications-nav li img').each(function(i) {
				var el = $(this);
				this.setAttribute('originalsrc',this.src);
				if (el.hasClass(sectorName))
				{
					this.src=pubNavBase+sectorName+'/productnav_on_'+this.getAttribute('base')+'.gif';
				} else {
					this.src=pubNavBase+'productnav_off_'+this.getAttribute('base')+'.gif';
				}
			});
		}).mouseleave(function(){
			var el = $(this);
			if (!el.hasClass('current'))
			{
				this.src=navImageBase+'sectornav_off_'+this.getAttribute('base')+'.gif';
			}
			
			// reset all of the productnav
			$('#publications-nav li img').each(function(i) {
				//this.src=pubNavBase+'productnav_off_'+this.getAttribute('base')+'.gif';
				if (this.getAttribute('originalsrc') != '') {
					this.src = this.getAttribute('originalsrc');
					this.setAttribute('originalsrc','');
				}
			});
		});
	});
	
	// mouse handling for the publications nav
	//	
	//$('#publications-nav li img').each(function(i) {
	//});
});