var SEARCH_BOX_INIT_VALUE = 'search keywords...';

$(function(){
	enhanceSearchBoxQuery();
});

function enhanceSearchBoxQuery()
{
	var searchBoxQuery = $('#search-box-query');
	function checkEmpty()
	{
		if ( searchBoxQuery.val() == '' )
		{
			searchBoxQuery.val(SEARCH_BOX_INIT_VALUE);
			searchBoxQuery.addClass('has-init-value');
		}
	}
	function checkInitValue()
	{
		if ( searchBoxQuery.val() == SEARCH_BOX_INIT_VALUE )
		{
			searchBoxQuery.val('');
			searchBoxQuery.removeClass('has-init-value');
		}
	}
	searchBoxQuery.focus(checkInitValue).blur(checkEmpty);
	checkEmpty();
}


function setActive(element){
	if( $('ul#publications li').hasClass('publicationactive') )
	{
		$('ul#publications li').removeClass('publicationactive');
	}

	$('.' + element).addClass('publicationactive');	
}