//switch left menu blocks visibility
$(document).ready(function(){
   $("dt").click(function(){
   	if ($("dd:not:visible") .get()[0] !== $(this).parent().next().get()[0]) {			
   		$("dd").fadeTo("fast", 0);
   		$("dd:visible").slideUp("slow");
   		$(this).next().slideDown("def");
   		$(this).next().fadeTo("def", 1);
   	}
   	return false;
   });

});

//dynamically add extra CSS file to be used only if JavaScript is enabled
function includeCSSFile(inFileHref) {
	var v_css  = document.createElement('link');
	v_css.rel = 'stylesheet'
	v_css.type = 'text/css';
	v_css.href = inFileHref;
	document.getElementsByTagName('head')[0].appendChild(v_css);
}