$(function() {
	
/* dropdown menu */                 
    $('#nav li').hover(function(){
        $(this).addClass('hover');
        $('ul:first', this).css('visibility', 'visible');
    }, function(){
        $(this).removeClass('hover');
        $('ul:first', this).css('visibility', 'hidden');
    });
    
/* Newsletter placeholder text (HOMEPAGE ONLY) */
    $('#email').addClass('placeholder');
    $('#email').bind('focusin', function(event){
	var obj = $(event.target);
	obj.removeClass('placeholder');
	if(obj.val() == obj.attr('title')) obj.val('');
    });
    $('#email').bind('focusout', function(event){
	var obj = $(event.target);
	if((obj.val() == '') || (obj.val() == obj.attr('title'))) {
	    obj.val(obj.attr('title'));
	    obj.addClass('placeholder');
	}
    });
    
/* menu styling adjustment */
    pageName = $('#subnav > h2').text().toLowerCase().replace(/ /g,'').replace(/&/g,'');
    //$('#nav > ul > li').removeClass('current').filter('#'+ pageName).addClass('current');
            
    if(pageName === 'corporate') {$('#nav li#corporate').css({'background-position': '0 -32px'});}
    if(pageName === 'projects') {$('#nav li#projects').css({'background-position': '-145px -32px'});}
    if(pageName === 'sustainability') {$('#nav li#sustain').css({'background-position': '-274px -32px'});}
    if(pageName === 'investors') {$('#nav li#investors').css({'background-position': '-443px -32px'});}
    if(pageName === 'news') {$('#nav li#news').css({'background-position': '-565px -32px'});}
    
    /* re-styling sidebar for pages without subnav */
    if($('#content_sub').length > 0) {
        if($('#sidebar #subnav > ul').length < 1) {
	    $('#subnav').remove();
	}
    }
      
});