var curUrl = document.URL.toString();
	var anchors = curUrl.split('/');
	var anchor = anchors[anchors.length-1].replace(".php","");
	var prefix = '#nav_';
	var a = prefix.concat(anchor);  
	if(anchor == ""){
		a = "#nav_home";
	}
	jQuery(function( $ ){	
		if (a.search(/\d*/) > -1 ) {
			a = a.split('?')[0];
		}
//		$("span#test").text(a);
		$(a).css("background-position","0 -40px");
});